1997 - Mathematics of the Incas Code of the Quipu (Paperback) ISBN-13: 9780486295541 ISBN-10: 0486295540 Genres: History, Nonfiction, Science & Math ? 1981 - Code of the Quipu a Study in Media Mathematics and Culture (Paperback) → Hardcover ISBN-13: 9780472063253 ISBN-10: 0472063251 Genre: History ? Code of the Quipu a Study in Media Mathematics and Culture (Hardcover) → Paperback ISBN-13: 9780472093250 ISBN-10: 0472093258 Genre: History ? |