THE KAISER AND HIS COURT:WILHELM II AND THE GOVERNMENT OF GERMANY
JOHN C.G.ROHL1996 年出版275 页ISBN:0521565049
THEORY AND PROBLEMS of STRENGTH of MATERIALS Second Edition
WILLIAM A.NASH2222 年出版394 页ISBN:0070990247
Schaum's outline of theory and problems of biology
george h.fried1990 年出版444 页ISBN:0070224013