TY - BOOK AU - Johnson,Erik A. AU - Zeikus,Gregory J. TI - Mixed cultures in biotechnology T2 - The McGraw-Hill environmental biotechnology series SN - 0070728445 U1 - 660.62 PY - 1991/// CY - New York ; Méx. PB - McGraw Hill, KW - BIOTECNOLOGIA MICROBIANA ER -