Cane, James H. (1991). "Soils of Ground-Nesting Bees (Hymenoptera: Apoidea): Texture, Moisture, Cell Depth and Climate". Journal of the Kansas Entomological Society. 64 (4): 406–413. ISSN0022-8567. JSTOR25085307.
Cane, James H. (1991). "Soils of Ground-Nesting Bees (Hymenoptera: Apoidea): Texture, Moisture, Cell Depth and Climate". Journal of the Kansas Entomological Society. 64 (4): 406–413. ISSN0022-8567. JSTOR25085307.