TY - BOOK AU - Masters,Gilbert M. AU - Ela,Wendell TI - Introduction to environmental engineering and science SN - 9780131481930 AV - TD145 M37 2007 PY - 2007/// CY - Upper Saddle River, New Jersey PB - Prentice Hall KW - IngenierĂ­a ambiental KW - Ciencias ambientales ER -