1. F. Beck, D. Neubert, and H.J. Merker (1975 ) The ferret as a teratological model. New Approaches to the Evaluation of Abnormal Embryonic Development , (), Thieme, Stuttgart, 8 -20 .
2. F. Beck, D. Neubert, H.J. Merker, and T.E. Kwasigroch (1977 ) Evaluation of Organs (Gross Organ Pathology). Methods in Prenatal Toxicology. Evaluation of Embryotoxic Effects in Experimental Animals , (), Thieme, Stuttgart, 103 -112 .
3. Comparison of the teratogenic effects of mustine hydrochloride in rats and ferrets. The value of the ferret as an experimental animal in teratology
4. A. Gulamhusein, F. Beck, D. Neubert, H.J. Merker, and T.E. Kwasigroch (1977 ) The value of the ferret as an experimental animal in teratology. Methods in Prenatal Toxicology. Evaluation of Embryotoxic Effects in Experimental Animals , (), Thieme, Stuttgart, 44 -51 .