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- [1] Maximizing the use of electronic communication of chemistry activities. ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1999, 217 : U509 - U509
- [5] AN APPARATUS FOR AUTOMATIC MEASUREMENT WITH IMPROVED ACCURACY OF WEAK RADIO-ACTIVITIES BY THE GEIGER-MULLER COUNTER ACTA PHYSIOLOGICA SCANDINAVICA, 1945, 9 (3-4): : 346 - 350