000 00279nam a22001217a 4500
003 OSt
008 231229b |||||||| |||| 00| 0 eng d
082 _aP631.305
_bJ78
245 _aJournal of Agricultural engineering research
260 _c1981
300 _a26
942 _2ddc
_cBK
999 _c35250
_d35250