Warren, Stuart G. Designing organic syntheses : a programmed introduction to the synthon approach / Stuart Warren. - New York : Wiley, c1978 [reprint 1989] - 285 p. ; 22 cm. ISBN: 0471996122 Subjects--Topical Terms: Organic compounds--Synthesis--Programmed instruction. Dewey Class. No.: 547.2 / WAD 1989