TY - `BOOK` AU - Moynihan, Martin Robert TI - Some aspects of reproductive behavior in the black-headed gull (Larus ridibundus ridibundus L.) and related species : with ... 2 diagrams and XI tables PB - Brill CY - Leiden PY - 1955 LA - eng SE - X, 201 S., 3 Taf. T2 - Behaviour M1 - 4 N1 - Enthält Bibliogr CN - 64 B 1222 AN - UBHD-1031241 ER -