[Role of pikas (Ochotona, Mammalia) in overgrowing stone fields and rock plains in Tuba].
Travina
I V
IV
Derviz
P P
PP
Dmitriev
P P
PP
D000818:Animals; D001522:Behavior, Animal; D007793:Lagomorpha / Q000502:physiology*; D010944:Plants; D013045:Species Specificity