Cram, Jane M. The essence of organic chemistry / Jane M. Cram and Donald J. Cram. - Reading, Mass. : Addison-Wesley Pub. Co., c1978. - xv, 456,[71] p. : ill. ; Includes index. ISBN: 0201010311 9780201010312 Subjects--Topical Terms: Chemistry, Organic. LC Class. No.: QD251.2.C7