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- [8] SOME CONSIDERATIONS ABOUT LOCAL CONSERVATION-LAWS IN TWO-DIMENSIONAL FIELD-THEORIES LETTERE AL NUOVO CIMENTO, 1982, 33 (15): : 493 - 498
- [10] SOME FUNDAMENTAL-CONCEPTS OF INFORMATION-RETRIEVAL DREXEL LIBRARY QUARTERLY, 1978, 14 (02): : 10 - 24