000 00267nam a2200085Ia 4500
008 130123s9999 xx 000 0 und d
082 _a631.3
245 _aJournal Of Agriculture Engineering Research Vol. 36-37 , No 1-4
260 _aLondon
_bAcademic Press Inc. Ltd.
_c1987
999 _c81836
_d81836