https://digital.lib.ku.edu/ku-gould/18568
Larus argentatus | KU Libraries Digital Collections
larus argentatusku librariesdigitalcollections
https://iro.uiowa.edu/esploro/outputs/doctoral/Hormonal-determination-of-adult-characters-and/9985153217702771
Hormonal determination of adult characters and sex behavior in herring gulls (Larus argentatus) -...
Hormonal determination of adult characters and sex behavior in herring gulls (Larus argentatus) - University of Iowa - Dissertation