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Wedmid, Yuri; Litchfield, Carter; Ackman, R. G.; Sipos, J. C.; Eaton, C. A.; Mitchell, E. D. (December 1973). "Heterogeneity of lipid composition within the cephalic melon tissue of the pilot whale (Globicephala melaena)". Biochimica et Biophysica Acta (BBA) - Lipids and Lipid Metabolism. 326 (3): 439–447. doi:10.1016/0005-2760(73)90144-6. PMID4776442.
Karol, R.; Litchfield, C.; Caldwell, D. K.; Caldwell, M. C. (1978). "Compositional topography of melon and spermaceti organ lipids in the pygmy sperm whale Kogia breviceps: Implications for echolocation". Marine Biology. 47 (2): 115–123. doi:10.1007/BF00395632. S2CID84443478.
Litchfield, Carter; Ackman, R. G.; Sipos, J. C.; Eaton, C. A. (September 1971). "Isovaleroyl triglycerides from the blubber and melon oils of the beluga whale (Delphinapterus leucas)". Lipids. 6 (9): 674–681. doi:10.1007/BF02531529. PMID5141491. S2CID4023319.
Litchfield, Carter; Greenberg, Anne J.; Caldwell, David K.; Caldwell, Melba C.; Sipos, J. C.; Ackman, R. G. (April 1975). "Comparative lipid patterns in acoustical and non-acoustical fatty tissues of dolphins, porpoises and toothed whales". Comparative Biochemistry and Physiology Part B: Comparative Biochemistry. 50 (4): 591–597. doi:10.1016/0305-0491(75)90095-4. PMID1122741.
Wedmid, Yuri; Litchfield, Carter; Ackman, R. G.; Sipos, J. C.; Eaton, C. A.; Mitchell, E. D. (December 1973). "Heterogeneity of lipid composition within the cephalic melon tissue of the pilot whale (Globicephala melaena)". Biochimica et Biophysica Acta (BBA) - Lipids and Lipid Metabolism. 326 (3): 439–447. doi:10.1016/0005-2760(73)90144-6. PMID4776442.
Litchfield, Carter; Ackman, R. G.; Sipos, J. C.; Eaton, C. A. (September 1971). "Isovaleroyl triglycerides from the blubber and melon oils of the beluga whale (Delphinapterus leucas)". Lipids. 6 (9): 674–681. doi:10.1007/BF02531529. PMID5141491. S2CID4023319.
Karol, R.; Litchfield, C.; Caldwell, D. K.; Caldwell, M. C. (1978). "Compositional topography of melon and spermaceti organ lipids in the pygmy sperm whale Kogia breviceps: Implications for echolocation". Marine Biology. 47 (2): 115–123. doi:10.1007/BF00395632. S2CID84443478.