TY  - GEN
AU  - Spaans, Arie
AU  - De Wit, Alle
AU  - Van Vlaardingen, A.
TI  - Effects of increased population size in herring gulls on breeding sucess and other parameters
KW  - Etologia
KW  - 2400 - Psicologia Experimental Animal / Psicologia Comparativa
UR  - https://catalogo.ispa.pt/opac/biblioteca/localizacao_doc/et.htm
ER  -