000 00262nam a2200085Ia 4500
001 MPKV106682
008 120911s9999 xx 000 0 und d
245 _aAgricultural Engineering. Vol.61
_c;
260 _aUSA
_bAmerican Society of Agril. engineers, St. Joseph.
_c1980
999 _c70061
_d70061