MARC全文
02a0018406;20011205d1995 ekmy0engy01;eng;a z 000yy;r;Lead isotopes from the Upper Mississippi Valley district--a regional perspective;Timothy M. Millen, Robert E. Zartman & Allen V. Heyl;Washington;U.S. GPO;1995;iii, 13 p.;ill;Bulletin;U.S. Geological Survey;no.2094-B;2001b;aBulletin ; fU.S. Geological Survey ; vno.2094-B;上密西西比河谷地的铅同位素--一种区域景象;a423.2;Millen ; Zartman ; Heyl;Timothy M. ; Robert E. ; Allen V.;101;456022;P;254.2;B87;v2094/B ; r599.44;a03;b1;cP