00647nam 2200169z- 450 9910690135303321(CKB)5470000002335921(EXLCZ)99547000000233592120230503c1992uuuu -u- -eng3DFEMWATER/3DLEWASTE : numerical codes for delineating wellhead protection areas in agricultural regions based on the assimilative capacity criterionEnvironmental Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency3DFEMWATER/3DLEWASTE BOOK99106901353033213DFEMWATER3215909UNINA