000 00276nam a2200121Ia 4500
008 161121s9999 xx 000 0 und d
100 _aRUPELA (OP) etc.
245 0 _aExtensing nitrogen fixation research to
260 _cNIL
365 _b0
650 _aNIL
942 _cBK
999 _c105910
_d105910