1. Amer. Petroleum Inst., “Catalog of Mass Spectral Data,” Agricultural and Mechanical College of Texas, College Station, Texas, 1948 to date.
2. Amer. Soc. Testing Materials, “Index of Mass Spectral Data,” Amer. Soc. Testing Materials, Philadelphia, Pa., 1969.
3. Badings, H.T., Neth. Milk & Dairy J. 14:215–242 (1960).
4. Evans, C.D., “Proceedings of the Flavor Chemistry Symposium,” Campbell Soup Co., Camden, N.J., 1961, p. 123–141.
5. Frankel, E.N., J. Nowakowska and C.D. Evans, JAOCS 38:161–162 (1961).