Hugh Crabtree

H. C. · H. Crabtree

titleISBN-13
(ISBN-10)
year of publica-
tion
other author(s)
Perfecting the Pig Environment978-1-904761-81-5
(1-904761-81-X)
2009Paul Smith · Nick Bird
Pig Environment Problems978-1-897676-18-9
(1-897676-18-2)
2003Paul Smith

Hugh Crago