Sweetman, Harvey L.; Wedemeyer, Jack (Jan 1933). "Further Studies of the Physical Ecology of the Alfafa Weevil, Hypera postica (Gyllenhal)". Ecology. 14 (1). Ecological Society of America: 46–60. Bibcode:1933Ecol...14...46S. doi:10.2307/1932576. JSTOR1932576.
Cunningham, R. K.; Tombes, A. S. (August 1966). "Succinate oxidase system in the alfalfa weevil, Hypera postica, during aestivation (summer diapause)". Comparative Biochemistry and Physiology. 18 (4): 725–733. doi:10.1016/0010-406X(66)90207-6. ISSN0010-406X. PMID5967408.
Sweetman, Harvey L.; Wedemeyer, Jack (Jan 1933). "Further Studies of the Physical Ecology of the Alfafa Weevil, Hypera postica (Gyllenhal)". Ecology. 14 (1). Ecological Society of America: 46–60. Bibcode:1933Ecol...14...46S. doi:10.2307/1932576. JSTOR1932576.
Sweetman, Harvey L.; Wedemeyer, Jack (Jan 1933). "Further Studies of the Physical Ecology of the Alfafa Weevil, Hypera postica (Gyllenhal)". Ecology. 14 (1). Ecological Society of America: 46–60. Bibcode:1933Ecol...14...46S. doi:10.2307/1932576. JSTOR1932576.
Cunningham, R. K.; Tombes, A. S. (August 1966). "Succinate oxidase system in the alfalfa weevil, Hypera postica, during aestivation (summer diapause)". Comparative Biochemistry and Physiology. 18 (4): 725–733. doi:10.1016/0010-406X(66)90207-6. ISSN0010-406X. PMID5967408.
Cunningham, R. K.; Tombes, A. S. (August 1966). "Succinate oxidase system in the alfalfa weevil, Hypera postica, during aestivation (summer diapause)". Comparative Biochemistry and Physiology. 18 (4): 725–733. doi:10.1016/0010-406X(66)90207-6. ISSN0010-406X. PMID5967408.