diff --git a/utilities/pFlowToVTK/fileSeries.cpp b/utilities/pFlowToVTK/fileSeries.cpp
index 13764fd6..2299623b 100644
--- a/utilities/pFlowToVTK/fileSeries.cpp
+++ b/utilities/pFlowToVTK/fileSeries.cpp
@@ -1,3 +1,23 @@
+/*------------------------------- phasicFlow ---------------------------------
+      O        C enter of
+     O O       E ngineering and
+    O   O      M ultiscale modeling of
+   OOOOOOO     F luid flow       
+------------------------------------------------------------------------------
+  Copyright (C): www.cemf.ir
+  email: hamid.r.norouzi AT gmail.com
+------------------------------------------------------------------------------  
+Licence:
+  This file is part of phasicFlow code. It is a free software for simulating 
+  granular and multiphase flows. You can redistribute it and/or modify it under
+  the terms of GNU General Public License v3 or any other later versions. 
+ 
+  phasicFlow is distributed to help others in their research in the field of 
+  granular and multiphase flows, but WITHOUT ANY WARRANTY; without even the
+  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+-----------------------------------------------------------------------------*/
+
 #include "fileSeries.hpp"
 #include "oFstream.hpp"
 #include "streams.hpp"
diff --git a/utilities/pFlowToVTK/fileSeries.hpp b/utilities/pFlowToVTK/fileSeries.hpp
index 9d49e69d..e9b3c0d2 100644
--- a/utilities/pFlowToVTK/fileSeries.hpp
+++ b/utilities/pFlowToVTK/fileSeries.hpp
@@ -1,5 +1,22 @@
+/*------------------------------- phasicFlow ---------------------------------
+      O        C enter of
+     O O       E ngineering and
+    O   O      M ultiscale modeling of
+   OOOOOOO     F luid flow       
+------------------------------------------------------------------------------
+  Copyright (C): www.cemf.ir
+  email: hamid.r.norouzi AT gmail.com
+------------------------------------------------------------------------------  
+Licence:
+  This file is part of phasicFlow code. It is a free software for simulating 
+  granular and multiphase flows. You can redistribute it and/or modify it under
+  the terms of GNU General Public License v3 or any other later versions. 
+ 
+  phasicFlow is distributed to help others in their research in the field of 
+  granular and multiphase flows, but WITHOUT ANY WARRANTY; without even the
+  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 
-
+-----------------------------------------------------------------------------*/
 
 #ifndef __fileSeries_hpp__
 #define __fileSeries_hpp__
diff --git a/utilities/pFlowToVTK/pointFieldToVTK.cpp b/utilities/pFlowToVTK/pointFieldToVTK.cpp
index 0f827739..e376cf27 100644
--- a/utilities/pFlowToVTK/pointFieldToVTK.cpp
+++ b/utilities/pFlowToVTK/pointFieldToVTK.cpp
@@ -1,3 +1,23 @@
+/*------------------------------- phasicFlow ---------------------------------
+      O        C enter of
+     O O       E ngineering and
+    O   O      M ultiscale modeling of
+   OOOOOOO     F luid flow       
+------------------------------------------------------------------------------
+  Copyright (C): www.cemf.ir
+  email: hamid.r.norouzi AT gmail.com
+------------------------------------------------------------------------------  
+Licence:
+  This file is part of phasicFlow code. It is a free software for simulating 
+  granular and multiphase flows. You can redistribute it and/or modify it under
+  the terms of GNU General Public License v3 or any other later versions. 
+ 
+  phasicFlow is distributed to help others in their research in the field of 
+  granular and multiphase flows, but WITHOUT ANY WARRANTY; without even the
+  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+-----------------------------------------------------------------------------*/
+
 #include <regex>
 
 #include "vtkFile.hpp"
diff --git a/utilities/pFlowToVTK/triSurfaceFieldToVTK.cpp b/utilities/pFlowToVTK/triSurfaceFieldToVTK.cpp
index 2d6987a2..6348cd6a 100644
--- a/utilities/pFlowToVTK/triSurfaceFieldToVTK.cpp
+++ b/utilities/pFlowToVTK/triSurfaceFieldToVTK.cpp
@@ -1,3 +1,23 @@
+/*------------------------------- phasicFlow ---------------------------------
+      O        C enter of
+     O O       E ngineering and
+    O   O      M ultiscale modeling of
+   OOOOOOO     F luid flow       
+------------------------------------------------------------------------------
+  Copyright (C): www.cemf.ir
+  email: hamid.r.norouzi AT gmail.com
+------------------------------------------------------------------------------  
+Licence:
+  This file is part of phasicFlow code. It is a free software for simulating 
+  granular and multiphase flows. You can redistribute it and/or modify it under
+  the terms of GNU General Public License v3 or any other later versions. 
+ 
+  phasicFlow is distributed to help others in their research in the field of 
+  granular and multiphase flows, but WITHOUT ANY WARRANTY; without even the
+  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+-----------------------------------------------------------------------------*/
+
 #include "vocabs.hpp"
 #include "vtkFile.hpp"
 #include "triSurfaceFieldToVTK.hpp"
diff --git a/utilities/pFlowToVTK/triSurfaceFieldToVTK.hpp b/utilities/pFlowToVTK/triSurfaceFieldToVTK.hpp
index 0b1bc12c..8dfc3f08 100644
--- a/utilities/pFlowToVTK/triSurfaceFieldToVTK.hpp
+++ b/utilities/pFlowToVTK/triSurfaceFieldToVTK.hpp
@@ -18,7 +18,6 @@ Licence:
 
 -----------------------------------------------------------------------------*/
 
-
 #ifndef __triSurfaceFieldToVTK_hpp__
 #define __triSurfaceFieldToVTK_hpp__