000 00270nam a2200109Ia 4500
008 240531s9999 xx 000 0 und d
082 _a333 NAT
100 _aNULL
245 0 _aNATURAL Resources and Development.
260 _aGermany
_b Laupp&Gobel
_c1978
942 _cANF
999 _c314323
_d314323