000 00392nam a2200145Ia 4500
008 130223s9999 xx 000 0 und d
100 _aTanaka, A.
245 _aRelative importance of the source and the sink as the yield-limiting factors of
260 _aTaipei
260 _c1972
300 _a18 p.
440 _aNo. 6; Taiwan Food and Fertili
901 _pS21179
942 _cB
_2udc
999 _c131653
_d131653