TY - BOOK AU - Camp, Thomas R., AU - Meserve, Robert L. TI - Water and its impurities AV - TD420 C342 1974 PY - 1974/// CY - Stroudsburg, Pennsylvania PB - Dowden, Hutchinson, & Ross KW - Agua KW - ContaminaciĆ³n KW - ComposiciĆ³n ER -