000
00306nam a2200109Ia 45e0
008
181001s1975 xx 000 0 und d
100
_a
Hudson N.W.
245
0
_a
Field engineering for Agril. Development
260
_b
Oxford
_c
1975
300
_a
225
942
_2
ddc
_c
BK
999
_c
3112
_d
3112