000 00273nam a2200109Ia 4500
008 230718s9999||||xx |||||||||||||| ||und||
082 _a001.644
100 _aCALAHAN DONALD A
245 0 _aCOMPUTER AIDED NETWORK DESIGN
260 _bT M H
_c1974
_aNEW DELHI
300 _a350
999 _c31581
_d31581