TY - GEN AU - Trevan , M.D. AU - Boffey , S. ;Goulding , K.H. ;Stanbury , P. TI - Biotechnology: the biological principles SN - 0070993912 U1 - 660.6 PY - 1987/// CY - New Delhi PB - Tata McGraw-Hill KW - CHEMICAL ENGINEERING KW - BIOTECHNOLOGY ER -