program XXX

  implicit none
  
  ...
  
  variable declarations
  
  ...
  
  code
  
  ...
  
end program XXX

• General Tutorial: http://www.cs.mtu.edu/~shene/COURSES/cs201/NOTES/fortran.html
• Read/Write Arrays: http://www.eng.iastate.edu/efmd/fmultarray.html
• File Handling: http://de.wikibooks.org/wiki/Fortran:_FORTRAN_77:_Ein-_und_Ausgabe
• Format Strings: http://www.stanford.edu/class/me200c/tutorial_77/17_format.html