000 00347nam a2200121Ia 4500
008 160509s9999 xx 000 0 und d
020 _a0036-8075
100 _aScience
245 _aScience : 1991 : Volume 253(Jul-Sep) : Shelf 16.6
260 _bThe American Association for the Advancement of Science
_c1991
300 _a1610p.
650 _aScience
999 _c5286
_d5286