1. Energieeinsparverordnung :
Author: von Thomas Ackermann.
Library: Center and Library of Islamic Studies in European Languages (Qom)
Subject: Engineering.
2. Kommentar zur Wärmeschutzverordnung 1995 :
Author: von Thomas Ackermann.
Library: Center and Library of Islamic Studies in European Languages (Qom)
Subject: Engineering.
