000 00316nam a2200109Ia 4500
008 220214s9999 xx 000 0 und d
245 0 _aCurrent Contents
260 _bInstitute for scientific information
_aU S A
500 _aEnding Volume & Year: 21, 1990
500 _aStarting Volume & Year: 15, 1984
942 _cBJ
999 _c13577
_d13577