Ed.Mark M. Ravitch and Felicien M. Stelchen1980 年出版717 页ISBN:
Applied Algebra Algebraic Algorithms and Error-Correcting Codes
2222 年出版398 页ISBN:3540429115
ALGEBRA AND TRIGONOMETRY A PROBLEM SOLVING APPROACH FOURTH EDITION
1992 年出版668 页ISBN:0130289116
THEORETICAL PROBLEMS OF GEOGRAPHY
V.A.ANUCHIN,ROLAND J.FUCHS,GEORGE J.DEMKA2222 年出版331 页ISBN:0814202217