000 00392nam a2200133Ia 4500
008 140113s9999 xx 000 0 und d
082 _a581.112.6 L5
245 _aRoot actiivity patterns of some tree crops
260 _b"Vienna : International atomic energy agency, 1975"
300 _a153p.
490 _aTechnical reports series no. 170
650 _aSample survey methods
942 _cBK
999 _c63130
_d63130