000 00312nam a2200121 4500
001 010709
005 20260807101617.0
008 260101s1990 pe 000 0 eng d
100 1 _aRobert L. Bonnet ; G. Daniel Keen
245 1 0 _aEarth Science : 49 science fair projects
264 1 _bTab Books
_c1990
942 _cLIBRO
999 _c39273
_d39273