@book{249484,
	author = {Grad, Frank P.},
	title = {Treatise on environmental law},
	publisher = {M. Bender,},
	address = {New York},
	note = {Puede actualizar versión impresa consultando la Base de datos Lexis Nexis / Lexis Nexis Advance. Requiere Login y Password.},
	url = {http://www.lexis.com/research/form/search?_m=02ef2a59c83ea723027b1ec5cc1da741&_src=236968&wchp=dGLzVzk-zSkAW&_md5=2eb5a6a1c5b71488f6af0bab226dca7a.}
}