1. W Tungsten :
Author: by Erich Best, Peter Kuhn, Wolfgang Kurtz, Hildegard List ; edited by Hartmut Bergmann, Dieter Gras, Ingeborg Hinz, Ernst Koch, Wolfgang Kurtz, Ursula Vetter.
Library: Center and Library of Islamic Studies in European Languages (Qom)
Subject: Chemistry.,Physical & Theoretical Chemistry.,Physical Sciences & Mathematics.
