TY - BOOK AU - Gaudy, Anthony F., AU - Gaudi, Elizabeth T., TI - Microbiology for environmental scientists and engineers T2 - Water resources and environmental engineering SN - 0070230358 AV - QR48 G37 PY - 1981/// CY - Auckland PB - McGraw-Hill KW - Agua KW - Contaminación KW - Microbiología sanitaria KW - Contaminacion KW - Tratamiento biologico N1 - "international student edition" ER -