1. Beveridge WIB. (1941). Footrot in sheep: a transmissible disease due to infection with Fusiformis nodosus (n.sp). Studies on its cause, epidemiology and control. Commonwealth of Australia Council for Scientific and Industrial Research Bulletin, 140, 1–56.
2. Broad TE and Skerman TM. (1976). Partial purification and properties of extracellular proteolytic activity of Bacteroides nodosus. New Zealand Journal of Agricultural Research, 19, 317–322.
3. Cygan Z and Barcz I. (1981). Occurrence of elastolytic aerobic microflora in lameness of sheep. Medycyna weterynaryjna, 37, 284–286.
4. Cygan Z, Wiercinski J and Barcz I. (1981a). Production and specificity of proteases produced by Bacillus sp. and Corynebacterium pyogenes discovered in ‘lameness’ of sheep. Medycyna Weterynaryjna, 37(7), 402–404.
5. Cygan Z, Wiercinski J and Barcz I. (1981b). Gram-negative anaerobic non-sporeforming bacilli in hoof infections of sheep. Medycyna Weterynaryjna, 37(9), 513–517.