Zhelev, G., K. Koev, V. Stoyanov, and V. Petrov. “Electronic Rat-Control Devices – Solution or Scam? Results of Field Trials and a Summary of the Literary Data”. Archives of Veterinary Medicine, vol. 11, no. 1, Sept. 2018, pp. 27-36, doi:10.46784/e-avm.v11i1.14.