MARC全文
02a0019095;20011205d1986 ekmy0engy01;eng;a z 000yy;r;Geophysical geochemical and geological investigations in the Ngami and Kheis areas of Botswana 1980-1983;final report (GS17 Project--mineral exploration of the Kalahari);comp. by G. Ludtke;Lobatse;Geological Survey Department (Botswana);1986;319, [51] p.;ill;Bulletin;Republic Botswana. Geological Survey Department;no.32;2001b;aBulletin ; fRepublic of Botswana. Geological Survey Department ; vno.32;1980-1983年博茨瓦纳的恩加米地区和Kheis地区地球物理,地球化学和地质调查的最终报告(GS17号计划--卡拉哈里的矿产勘探);a620;Ludtke;G.;101;456870;P;256.45;B87;v32 ; r279.27;a03;b1;cP