00349nam a2200145Ia 4500008004100000020001800041041000800059082001500067100002300082245003900105250000600144260003200150300001200182650000900194210716s2001    xx            000 0 und d  a9788176492102  aeng  a660.6 MUKS  aMukhopadhyay, S N.  aProcess biotechnology fundamentals  a1  aNew DelhibViva Booksc2001  axiv,409  aNone