000 00312nam a2200121Ia 4500
008 151018s9999 xx 000 0 und d
080 _aF63:629.13
_bAKE-U
100 _aAkesson, Norman B. ; Yates, Wesley E.
245 _aUse of aircraft in agriculture
260 _c1974
300 _a217 p.
942 _cFAO
_2udc
999 _c25950
_d25950