000 00311nam a2200121Ia 4500
008 160509s9999 xx 000 0 und d
020 _a0028-0836
100 _aNature
245 _aNature : 1985 : Volume 313(Jan-Feb) : Shelf 15.3
260 _bNature Publishing Group
_c1985
300 _a830p.
650 _aNature
999 _c3498
_d3498