Brick, Olle (August 1998). "Fighting behaviour, vigilance and predation risk in the cichlid fish Nannacara anomala". Animal Behaviour. 56 (2): 309–317. doi:10.1006/anbe.1998.0782. PMID9787021. S2CID25502495.
Enquist, Magnus; Olof Leimar; Tomas Ljungberg; Ylva Mallner; Nils Segerdahl (July 1990). "A test of the sequential assessment game: fighting in the cichlid fish Nannacara anomala". Animal Behaviour. 40 (1): 1–14. doi:10.1016/S0003-3472(05)80660-8. S2CID8765848.
Enquist, Magnus; Tomas Ljungberg; Annalena Zandor (August 1987). "Visual assessment of fighting ability in the cichlid fish Nannacara anomala". Animal Behaviour. 35 (4): 1262–1264. doi:10.1016/S0003-3472(87)80189-6. S2CID53153409.
Brick, Olle (August 1998). "Fighting behaviour, vigilance and predation risk in the cichlid fish Nannacara anomala". Animal Behaviour. 56 (2): 309–317. doi:10.1006/anbe.1998.0782. PMID9787021. S2CID25502495.
Enquist, Magnus; Olof Leimar; Tomas Ljungberg; Ylva Mallner; Nils Segerdahl (July 1990). "A test of the sequential assessment game: fighting in the cichlid fish Nannacara anomala". Animal Behaviour. 40 (1): 1–14. doi:10.1016/S0003-3472(05)80660-8. S2CID8765848.
Enquist, Magnus; Tomas Ljungberg; Annalena Zandor (August 1987). "Visual assessment of fighting ability in the cichlid fish Nannacara anomala". Animal Behaviour. 35 (4): 1262–1264. doi:10.1016/S0003-3472(87)80189-6. S2CID53153409.