4. The poles

Author:

Library: Central Library of Agricultural (Tehran)

Subject: $APolar regions

Classification :
G
590
.
L4

7. ‏‫‬‭The poles

Author:

Library: National Library and Archives of Islamic Republic of Iran (Tehran)

Subject: قطبی، مناطق

Classification :
‏‫‬‭
G
۵۹۰ ‏‫‬‭
/
ل
۹
پ
۹ ۱۳۴۲