000
00284nam a2200085Ia 4500
245
0
_a
Heavy-duty science projects with weight : how much does it weigh?
100
_a
Gardner, Robert Berkeley Heights, NJ, 2003
_9
101195
942
_c
BK
008
210818s9999 xx 000 0 und d
999
_c
437317
_d
437315