COMBINATORIAL PROPERTIES OF PARTIALLY BALANCED DESIGNS AND ASSOCIATION SCHEMES**This research was supported in part by the Mathematics Division of the United States Air Force Office of Scientific Research, under Grant No. AF-AFOSR-84-63.
1982 ◽
pp. 971-978
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1967 ◽
pp. 53-63
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1969 ◽
pp. 225-255
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1959 ◽
pp. 723-770
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