THE LONGITUDE VARIATION OF SOME ECOLOGICAL-PHYSIOLOGICAL FEATURES IN BUNTINGS (PASSERIFORMES, EMBERIZIDAE) Article DENISOVA M.N., PODARUEVA V.I., DAVYDOVA A.S. Zoologicheskii Zhurnal. Vol. 63. 1984. P. 1547-1554
CHANGES IN THE INTENSITY OF SINGING AND THE NUMBERS OF BIRDS IN DIFFERENT REGIONS OF THEIR RANGES Article DENISOVA M.N., PODARUEVA V.I., DAVYDOVA A.S., SAVOKHINA L.V. Zoologicheskii Zhurnal. Vol. 62. 1983. P. 1232-1244