TY - BOOK AU - Trevan,Michael D AU - Boffey,S. TI - Biotechnology : the biological principles T2 - The Biotechnology series U1 - 660.6 PY - 1987/// CY - New Delhi PB - Tata McGraw-Hill Pub. Co., KW - Biotechnology KW - Genetic engineering KW - Microbial growth ER -