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- [7] THE 22ND INFORMATION MEETING ON PULVERIZATION AND SCREENING IN FREIBERG CHEMISCHE TECHNIK, 1986, 38 (04): : 176 - 177
- [8] SECOND ANNUAL-MEETING OF JAPANESE-ENVIRONMENTAL-MUTAGEN-SOCIETY, SEPTEMBER 22ND, 1973 MUTATION RESEARCH, 1974, 26 (05): : 431 - 431