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- [3] NATIONAL STANDARD REFERENCE DATA SYSTEM MATERIALS RESEARCH AND STANDARDS, 1968, 8 (08): : 29 - &
- [4] NATIONAL STANDARD REFERENCE DATA SYSTEM ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1971, (NSEP): : 29 - &
- [5] NATIONAL STANDARD REFERENCE DATA SYSTEM MATERIALS RESEARCH AND STANDARDS, 1969, 9 (10): : 19 - &