Arumugam, S.. Invitation to graph theory / S. Arumugam and S. Ramachandran. - Chennai : Scitech Publcations , 2001. - 137p. : ill.,figs,tables ; 23cm . NULL ISBN: 8187328460 Rs. 80.00 Subjects--Index Terms: GRAPH THEORY Dewey Class. No.: 511.5 / ARU/I