000 00278nam a2200133Ia 4500
001 14189
008 230311s9999 xx 000 0 und d
245 0 _aScience at Work Volume 9
260 _aUSA
260 _bWorld Book, Inc.
260 _c1993
300 _a153
942 _cBK
999 _c6988
_d6988