共 50 条
- [42] GEOANALYSIS 90 SETS THE STAGE FOR RENEWED INTERNATIONAL-COOPERATION IN THE ANALYSIS OF GEOLOGICAL-MATERIALS GEOSTANDARDS NEWSLETTER, 1991, 15 (01): : 1 - 2
- [44] TRENDS IN THE TRACE ANALYSIS OF MOLYBDENUM AND TUNGSTEN AND OF IMPURITIES IN MOLYBDENUM AND TUNGSTEN MATERIALS ZEITSCHRIFT FUR CHEMIE, 1983, 23 (10): : 365 - 369