000 00351nam a2200157Ia 4500
020 _a9780716663589
040 _cPK-LaCSN
082 _a000
_bYOU
100 _a"WORLD BOOKS"
245 0 _aYOUNG SCIENTIST
260 _c1996
_bWorld Book
_aChicago
300 _a192
942 _cR
999 _c866936
_d866913