UNDERSTANDING REMEDIES SECOND EDITION
JAMES M.FISCHER2006 年出版1002 页ISBN：0820563439
understanding uncertainty revised edition
dennis v.lindley2014 年出版404 页ISBN：1118650123
UNDERSTANDING MAGAZINES SECOND EDITION
ROLAND E.WOLLSELEY2222 年出版458 页ISBN：0813817080
UNDERSTANDING PSYCHOLOGY FOURTH EDITION
ROBERT S.FELDMAN1996 年出版754 页ISBN：007021249X
UNDERSTANDING ALGEBRA REVISED EDITION
JOHN BALEY MARTIN HOLSTEGE1991 年出版634 页ISBN：0070035660
UNDERSTANDING EARTH THIRD EDITION
FRANK PRESS AND RAYMOND SIEVER2001 年出版573 页ISBN：
UNDERSTANDING PHYSICS SECOND EDITION
MICHAEL MANSFIELD AND COLM OSULLIVAN2011 年出版675 页ISBN：9780470746387
