1. Designing with plastics
Author: Erhard, G.
Library: Library of Razi Metallurgical Research Center (Tehran)
Subject: ، Plastics,، Engineering design
Classification :
TP
1122
.
E7413
2006
2. Laboratory studies of heterogeneous catalytic processes
Author: / Erhard G. Christoffel
Library: Central Library and Documents Center of Mazandaran University (Mazandaran)
Subject: Heterogeneous catalysis
Classification :
QD505
.
C475
1989
