INTRODUCTORY COLLEGE MATHEMATICS TABLES AND GRAPHS
ROBERT D.HACKWORTH1976 年出版62 页ISBN:
calculus of several variables an introduction
robert t.seeley1970 年出版295 页ISBN:
LICENSING INTELLECTUAL PROPERTY LAW AND APPLICATION
ROBERT W.GOMULKIEWICZ2008 年出版609 页ISBN:
Robert Biswas-Diener,Ben Dean著;陈素惠译2010 年出版247 页ISBN:9577028310