Robinson (1972). "Gas Sterilization of Beekeeping Equipment Contaminated by the American Foulbrood Organism, Bacillus larvae". The Florida Entomologist. 55 (1): 43–51. doi:10.2307/3493642. JSTOR3493642.
Robinson (1972). "Gas Sterilization of Beekeeping Equipment Contaminated by the American Foulbrood Organism, Bacillus larvae". The Florida Entomologist. 55 (1): 43–51. doi:10.2307/3493642. JSTOR3493642.