1989 - Fritz Heidernotebooksvol 5 Attribution (Hardcover) ISBN-13: 9780387912998 ISBN-10: 0387912991 ? 1989 - Heider Notebooks Balance Theory [Grundlehren Der Mathematischen Wissenschaften] (Hardcover) ISBN-13: 9780387912981 ISBN-10: 0387912983 Genres: Health, Fitness & Dieting, Nonfiction, Medicine ? 1987 - Heider the Notebooks Fritz Volume I Method (Hardcover) ISBN-13: 9780387912950 ISBN-10: 0387912959 Genre: Medicine ? |