UNUSUAL USE OF TWO TYPES OF ALARM CALL BY THE LONG-TAILED GROUND SQUIRREL (SPERMOPHILUS UNDULATUS, RODENTIA, SCIURIDAE) Статья Komarova S.E., Formozov N.A., Brandler O.V., Nikol'skii A.A. Zoologicheskii Zhurnal. Том 93. 2014. С. 901-905
