1. Early weaning and cage rearing of piglets; Influence on Behaviour;Algers;Zbl. Vet. Med. A,1983
2. Morphologie und Wachstum der Schweineklaue;Geyer;Schweiz. Arch. Tierheilk.,1972
3. Flooring in farrowing pens;Mitchell;Pig Farming,1976
4. Sizing up slotted floors;Mitchell;Pig farming,1978