000 00285nam a2200121Ia 4500
082 _a509.54
_bRAJ-S
100 _aRajaram, Kalpana & Pradeep, Hemambika
245 _aScience and Technology in India
250 _a8th
260 _bSpectrum boooks
_c2009
300 _a0
942 _cBK
999 _c294665
_d294665