Maitland, P. S.; Lyle, A. A.; Barnett, I. K. O. (1990). "Status of the schelly, Coregonus lavaretus (L.), in Red Tarn, Cumbria, England". Journal of Natural History. 24 (4): 1067. Bibcode:1990JNatH..24.1067M. doi:10.1080/00222939000770641.
Etheridge, E.C.; C. E. Adams; C. W. Bean; N. C. Durie; A. R. D. Gowans; C. Harrod; A. A. Lyle; P. S. Maitland; I. J. Winfield (2012). "Are phenotypic traits useful for differentiating among a priori Coregonus taxa?". Journal of Fish Biology. 80 (2): 387–407. Bibcode:2012JFBio..80..387E. doi:10.1111/j.1095-8649.2011.03189.x. PMID22268437.
Maitland, P. S.; Lyle, A. A.; Barnett, I. K. O. (1990). "Status of the schelly, Coregonus lavaretus (L.), in Red Tarn, Cumbria, England". Journal of Natural History. 24 (4): 1067. Bibcode:1990JNatH..24.1067M. doi:10.1080/00222939000770641.
Etheridge, E.C.; C. E. Adams; C. W. Bean; N. C. Durie; A. R. D. Gowans; C. Harrod; A. A. Lyle; P. S. Maitland; I. J. Winfield (2012). "Are phenotypic traits useful for differentiating among a priori Coregonus taxa?". Journal of Fish Biology. 80 (2): 387–407. Bibcode:2012JFBio..80..387E. doi:10.1111/j.1095-8649.2011.03189.x. PMID22268437.
Etheridge, E.C.; C. E. Adams; C. W. Bean; N. C. Durie; A. R. D. Gowans; C. Harrod; A. A. Lyle; P. S. Maitland; I. J. Winfield (2012). "Are phenotypic traits useful for differentiating among a priori Coregonus taxa?". Journal of Fish Biology. 80 (2): 387–407. Bibcode:2012JFBio..80..387E. doi:10.1111/j.1095-8649.2011.03189.x. PMID22268437.