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A. Grauvogl
A.G.
ยท
Anton Grauvogl
title
ISBN-13
(ISBN-10)
year of publica-
tion
other author(s)
Welfare Aspects of Pig Rearing
978-92-825-7311-2
(92-825-7311-7)
1987
D. Marzichting
A. Gray