17. ......................
Author: Dempster, J. P.
Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)
Subject: ، Animal populations
Classification :
QH
352
.
D45
18. ......................
Author: Hassell, Michael Patrick
Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)
Subject: ، Animal populations,، Predation )Biology(,، Animal ecology
Classification :
QH
352
.
H37
1976
19. ......................
Author: MacArthur, Robert H.
Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)
Subject: ، Animal populations
Classification :
QL
752
.
M2
1966
