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040 _aMAIN
041 _aEnglish
082 _a570.72
_bSAN.N0
100 _aSandhu, G.S.
245 0 _aResearch techniques in biological sciences
_cG.S. Sandhu
260 _aNew Delhi
_bAnmol Pub.
_c1990
300 _a388
650 _aBiology
942 _cBK
999 _c1352
_d1352