000
00307nam a2200133Ia 4500
008
160316s1981 xxu||||| |||| 00| 0 eng d
020
_a
0198594682
100
_a
J. K Barker
245
_a
Agr. Marketing
250
_a
1st
260
_a
LONDON
_b
OXFORD UNIVERSITY PRESS
_c
1981
300
_a
226
700
_a
_a
999
_c
34634
_d
34634