000 00311nam a2200121Ia 4500
008 160509s9999 xx 000 0 und d
020 _a0028-0836
100 _aNature
245 _aNature : 1996 : Volume 384(Nov-Dec) : Shelf 15.5
260 _bNature Publishing Group
_c1996
300 _a648p.
650 _aNature
999 _c6227
_d6227