ISBN 0866513078 books & textbook
The New York City Contest Problem Book: Problems and Solutions from the New York City Interscholastic Mathematics League 1975-1984 Grades 10-12
Saul, Mark E. Kessler, Gilbert W.
Dale Seymour Pubn / Paperback
isbn-10: 0866513078 / isbn-13: 9780866513074
