Allison, Graham T. Essence of decision : explaining the Cuban Missile Crisis / Graham T. Allison, Philip Zelikow. - 2nd ed. - New York : Longman, 1999 - xv, 416 p. ; 22 cm. ISBN: 9780321013491 Subjects--Topical Terms: Cuban Missile Crisis, 1962. Dewey Class. No.: 973922 / E78