Comparative Value of Pollen and Pollen Substitutes: I Bee Bread and CottonseedMeal-Dry Skim Milk Mixture *
- 1 October 1939
- journal article
- research article
- Published by Oxford University Press (OUP) in Journal of Economic Entomology
- Vol. 32 (5), 663-665
- https://doi.org/10.1093/jee/32.5.663