De Bono, Edward Lateral thinking a textbook of creativity. - New York Penguin Books 1990. - 300 p. illus. 25 cm. 920409 ISBN: LCCN: evn00000101 //r902 Nat. Bib. No.: B70-22152 Subjects--Topical Terms: Creative thinking LC Class. No.: BF408 / .D4 Dewey Class. No.: 153.3/5