@book{UBHD-1062430, author={Baerends, G. P. and Baerends- van Roon, J. M.}, title={An introduction to the study of the ethology of cichlid fishes}, publisher={Brill}, address={Leiden}, year={1967}, pages={VII, 242 S.}, language={eng and ger}, number={ARRAY(0x559aace4ce60)}, series={Behaviour}, note={Mit dt. Zsfassg}, library={UB [Signatur: 67 B 2369]}, }