LEADER 00000nam 2200217 a 4500 001 0881391 007 t 008 001611 9 1988 000 eng 020 0824779428 040 BLAISE 050 4 QA 166.25 W2 100 0 Wallis, W.D. 245 00 Combinatorial designs. 260 New York :|bM. Dekker,|c1988. 300 329p. 440 0 Pure and applied mathematics ;|vv.118 946 6XX absent
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