000
00324nam a2200121Ia 4500
008
180721s9999 xx 000 0 und d
100
_a
"Barkley, N and Barklay, PW"
245
0
_a
Principles of agricultural economics
260
_b
Routledge Taylor and Francis group
260
_c
2013
365
_b
4598.5
942
_c
REF
999
_c
133912
_d
133912