00346nam a2200121 a 450000500170000002000150001708200150003210000180004724500720006526000440013730000260018163000170020720251203110657.0  a8120301455  a511.5bDEO  aDeo, Narsingh  aGraph TheorybWith Applications to Engineering and Computer Science  aNew DelhibPrentice-Hall of Indiac1974  axvii,478p.c24 cm. PB  aGraph theory