MARC全文
02a0031444;¥405.95;20011205d1998 ekmy0engy01;eng;a z 000yy;r;Methods for comparing water-quality conditions among national water-quality assessment study units, 1992-1995;Robert J. Gilliom, David K. Mueller and Lisa H. Nowell;Sacramento Ca.;U.S. Geological Survey;1998;vii, 54 p.;ill;Open File Report;U.S. Geological Survey;97-589;1992-1995年间国家水质评价研究机构的水质状况比较方法;Water quality ; Assessment;a492.2;Gilliom ; Mueller ; Nowell;Robert J. ; David K. ; Lisa H.;101;EB00060096;492.2;G41;r¥405.95;a07;b1