@book{UBHD-1031242, author={Sevenster, Pieter}, title={A causal analysis of a displacement activity}, subtitle={(fanning in Gasterosteus aculeatus L.)}, publisher={Brill}, address={Leiden}, year={1961}, pages={VII, 170 S.}, language={eng}, number={ARRAY(0x565400c192b0)}, series={Behaviour}, note={Mit dt. Zsfassg}, school={Zugl.: Leiden, Rijksuniv., Diss., 1961}, library={UB [Signatur: 64 B 1225]}, }