00425nam a2200181Ia 4500003000400000005001700004008004100021020001500062040000700077041000800084082001500092100001700107245003200124260003900156300001700195365001300212650001800225OSt20230620094306.0210423s2002    xx            000 0 und d  a8171335985  cAL  aeng  a660.6 GUPP  aGUPTA (P K).  aElements of biotechnology .  aMeerutbRastogi Publicationsc2002  aviii,602bPB  b175cINR  aBiotechnology