GARDNER, MARTIN FRACTAL MUSIC, HYPERCARDS AND MORE... MATHEMATICAL RECREATIONS FROM SCIENTIFIC AMERICAN MAGAZINE - FIRST EDITION - NEW YORK W. H. FREEMAN AND COMPANY 1991 - 327P. ISBN: 0716721899 Subjects--Topical Terms: MATHEMATICAL RECREATIONSSCIENTIFIC AMERICAN MAGAZINEPUZZLES Dewey Class. No.: 793.8/GAR