@Comment{refnotes,
  namespace = ":prog"
}
   @book{Pugh-UFT-1994,
   	author = {Pugh, Kenneth.},
   	publisher = {PTR Prentice Hall},
   	isbn = {0-13-146077-3},
   	title = {dkdlfdjf UNIX for the MS-DOS User},
   	year =  1994 
   }
 
   @book{Eaton-GOM-2008,
   	author = {Eaton, John W. and Bateman, David and Hauber, S{\o}rensen},
   	note = {Octave documentation is also available on-line},
   	year = {2008},
   	url = {http://www.network-theory.co.uk/octave/manual/},
   	title = {GNU Octave Manual Version 3},
   	isbn = {0-9546120-6-X},
   	publisher = {Network Theory Limited}
   }
 
   @book{Dale-CSI-2007,
   	author = {Dale, Nell and Lewis, John},
   	title = {Computer Science Illuminated, Third Edition},
   	url = {http://csilluminated.jpub.com/3e},
   	publisher = {Jones and Barlett},
   	year = {2007}
   }