TY - BOOK ID - 145480941 TI - Nutrients in the nation's waters - too much of a good thing ? AU - Mueller, David K. AU - Helsel, Dennis R. AU - Kidd, Mary A. AU - Evans, John M. AU - Powers, Sharon M. PY - 1996 PB - Denver : US geological survey, DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:145480941 AB - ER -