Morrison, Kyle W.; Bury, Sarah J.; Thompson, David R. (2014). "Higher trophic level prey does not represent a higher quality diet in a threatened seabird: implications for relating population dynamics to diet shifts inferred from stable isotopes". Marine Biology. 161 (10): 2243–2255. Bibcode:2014MarBi.161.2243M. doi:10.1007/s00227-014-2502-y. S2CID83630787.
Morrison, Kyle W.; Bury, Sarah J.; Thompson, David R. (2014). "Higher trophic level prey does not represent a higher quality diet in a threatened seabird: implications for relating population dynamics to diet shifts inferred from stable isotopes". Marine Biology. 161 (10): 2243–2255. Bibcode:2014MarBi.161.2243M. doi:10.1007/s00227-014-2502-y. S2CID83630787.
Morrison, Kyle W.; Bury, Sarah J.; Thompson, David R. (2014). "Higher trophic level prey does not represent a higher quality diet in a threatened seabird: implications for relating population dynamics to diet shifts inferred from stable isotopes". Marine Biology. 161 (10): 2243–2255. Bibcode:2014MarBi.161.2243M. doi:10.1007/s00227-014-2502-y. S2CID83630787.