00374nam a2200133 a 450000500170000000800410001702000150005804100080007310000170008124500490009826400450014730000300019265000180022220260717091910.0260717s2002    ii            000 0 eng d  a8121909163  aeng1 aDubey, R. C.12aA text book of biotechnology /cDubey, R. C. 1aNew Delhi :bS. Chand & Company,cc2002.  axiv, 417p. : ill ; 24 cm. 4aBiotechnology