1. Geomagnetism
Author: / by Sydney Chapman, Julius Bartels
Library: Library of Institude of Geophysics (Tehran)
Subject: Magnetism, terrestrial
Classification :
QC815
.
C4
2. Geomagnetism
Author: / by Sydney, Chapman and Julius,Bartels
Library: Tehran University, technical faculty libraries 1 (Tehran)
Subject: magnetism-terrestrial
Classification :
QC
661
.
C45
