000 00282nam a2200121Ia 4500
008 161121s9999 xx 000 0 und d
100 _aArteca (richard N)
245 0 _aPlant growth substances: principles & ap
260 _cNIL
365 _b0
650 _aNIL
942 _cBK
_05
999 _c106435
_d106435