12. 20090606
Author: [edited by] Lawrence Susskind, Larry Crump.
Library: Library of Islamic Parliament (Tehran)
Subject:
18. ......................
Author: Cotton, Charles Andrew
Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)
Subject: Erosion,Glaciers,، Geomorphology
Classification :
QE
571
.
C59
1947a
19. ......................
Author: Crikmay, Colin Hayter
Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)
Subject: ، Landforms,، Rivers,، Erosion
Classification :
GB
561
.
C76
