000 00298nam a2200121Ia 4500
005 20260329235119.0
008 260329s9999||||xx |||||||||||||| ||und||
082 _a500.076 C455S
100 _aChopra J.K.
245 0 _aScience and tecnology
260 _aNew Delhi
_bUnique Publisher
942 _cBK
999 _c277665
_d277665