00679cam a2200253Ii 4500 41695 20230410133021.0 790315s1966 nyua 000 0 eng d (OCoLC)ocm04743494 ECO ECO UX0 NZ1 4247896 (OCoLC)4743494 BF 175 M346s 1966 GRAL Marks, Robert W. Simplifying set theory; a programmed text / Robert W. Marks. New York : Bantam Books, [1966] 127 p. illus. 18 cm. A unifact book. SU4 Set (Psychology) lcc bk mfcruz C0 DRFGD 91863 91863 0 0 lcc 0 0 HU BJB BJB HU 2023-04-10 1 0 BF 175 M346s 1966 00000042718 2018-11-17 00:00:00 1 2018-11-17 bk