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024 _a74782
037 _cTextbook
040 _aCSL
_beng
_cCSL
041 _aeng
082 _a2:97(A), M6 RR
100 _aLal Chhotey
245 0 _aInformation sources in science and tehcnology
260 _aDelhi
_bBharati Publisher
_c1986
300 _a307p.
_ccm.
650 _aScience-Technology
700 _a Ahsan A Shoaib
942 _h2:97(A), M6 RR
_cTB
_2CC
999 _c17781
_d17781