000 00348nam a2200121Ia 4500
008 160509s9999 xx 000 0 und d
020 _a0036-8075
100 _aScience
245 _aScience : 1996 : Volume 273(5271-5274) : Shelf 16.6
260 _bThe American Association for the Advancement of Science
_c1996
300 _a528p.
650 _aScience
999 _c8141
_d8141