By:
Braithwaite LA, Morrison WD, Otten L, Bate LA
Published in: Collins E, Boon C (eds.): Livestock environment IV : Fourth International Symposium, University of Warwick, Coventry, England, 6-9 July 1993. ASAE Publication, volume 93-3; American Society of Agricultural Engineers, 1993; pp. 609-616; ISBN 978-0-929355-41-2
