TY - BOOK AU - Ayyanna,C. TI - Recent trends in biotechnology: proceedings of the Ninth National Convention of Chemical Engineering and International Symposium on "Importance of Biotechnology in Coming Decades SN - 0074620215 U1 - 660.6 PY - 1993/// CY - New Delhi PB - Tata McGraw Hill KW - Biotechnology KW - Biotechnology-Proceedings N1 - Includes author index ER -