THE EVERGLADES HANDBOOK UNDERSTANDING THE ECOSYSTEM FOURTH EDITION
THOMAS E.LODGE2017 年出版440 页ISBN：1498742900
The Geology Companion: Essentials for Understanding the Earth
Gary Prost.Benjamin Prost2017 年出版470 页ISBN：1498756082
Understanding the law sixth edition
Donald L.Carper and john A.mckinsey2012 年出版793 页ISBN：0538473592
UNDERSTANDING THE PRESIDENCY THIRD EDITION
EDITED BY JAMES P.PFIFFNER ROGER H.DAVIDSON2003 年出版471 页ISBN：
UNDERSTANDING ISLAM AND THE MUSLIMS
THE MUSLIM FAMILY AND ISLAM AND WORLD PEACE2002 年出版96 页ISBN：
SIP:Understanding the Session Initiation Protocol
2009 年出版401 页ISBN：9781067839958
