000 00260nam a22001217a 4500
003 OSt
008 240905b |||||||| |||| 00| 0 eng d
082 _a632.5805
_bW26
245 _aWeed Abstract Vol.-29
260 _c1980
300 _a7-12
942 _2ddc
_cPER
999 _c45290
_d45290