000 00269nam a2200121Ia 4500
654 _aREF
250 _a1st Ed.
245 _aIndian Institute Of Technology Delhi.Pros-1972-73.
260 _bkognet
_c1972
082 _aREF-516
300 _a154p.
999 _c21692
_d21692
041 _aeng
546 _aText in English
300 _c22 cm.