書名：DIAMOND GRADING ABC

作者：VerenaPagel-Theisen

年代：2001年

出版社：Rubin & Son n.v.,Pelikaanstraat

序言：This book is ahandy reference for diamond grading.  In this revised, enlarged, andupdated (9th) edition, the author has included in-depth information about thetechnical and scientific changes which have taken place in the diamond industry. The Manual remains a practical guide to diamond grading that is a usefultool for every diamond dealer, jeweler and gemologist. Verena Pagel-Theisen,hardcover, 9th edition, 2007, 322pp