00349nam a2200133 a 450000500170000000800410001702000150005804100080007310000150008124500440009625000120014026400450015230000180019720260717092141.0260717s2007    ii            000 0 eng d  a8126510145  aeng1 aDas, H. K.10aTextbook of Biotechnology /cDas, H. K.  a3rd ed. 1aNew Delhi :bWiley India Pvt Ltd,c2007.  alxiv, 1360 p.