00458nam a22001457a 4500 000 000 03402797 UOEL HC103.7 .N37 Natural Resources and Development : A Biannual Collection of Recent German Contributions Concerning the Exploration of Natural Resources / Edited by the Scientific Co-operation. Germany : Georg Hauser, c1990. 96 p. : lcc SBK 14620 14620 0 0 lcc 0 0 UOE UOE GEN 2017-07-26 0 HC103.7 .N37 10067359 2026-04-27 11:32:00 10067359 2017-07-26 SBK 0 0 lcc 0 0 UOE UOE GEN 2017-07-26 0 HC103.7 .N37 20019819 2026-04-27 11:32:00 20019819 2017-07-26 SBK 0 0 lcc 0 0 UOE UOE GEN 2017-07-26 0 HC103.7 .N37 10067361 2026-04-27 11:32:01 10067361 2017-07-26 SBK