Silva, M. da C., I. de S. Aquino, C. I. Abramson, and J. W. dos Santos. “Use of Drones (Apis Mellifera L.) in the Detection of Adulterated Beeswax”. Brazilian Journal of Veterinary Research and Animal Science, vol. 37, no. 6, Dec. 2000, pp. 501-3, doi:10.1590/S1413-95962000000600015.