1. Efficiency of inseminators;Cembrowics,1964
2. The use of a dye indicator for testing, training and evaluating technicians in artificial insemination;Graham,1966
3. Observation on retraining of artificial insemination technicians and its importance in maintaining efficiency;King;Can. Vet. J.,1965
4. Use of dye for technician training and retraining;Webb,1976
5. The use of stains in the training and retraining of inseminators;Wright,1964