Publication [Transmission of human leprosy bacteria to hedgehogs]. Klingmüller G, Sobich E. Die Naturwissenschaften. 1977; 64 (12) : 645-6.
Publication [Immunobiological aspects of blood. Humoral factors of natural resistance]. Heide K, Schwick H G. Die Naturwissenschaften. 1970; 57 (4) : 179-84.