000 00613nam a2200229 a 4500
001 0114
005 20140414131849.0
008 040802s19uu xx 00 eng d
020 _a0-675-02414-5
050 _aM 507.7
_bP57 1973
100 _aPiltz, Albert
245 _aDiscovering science /
_cAlbert Pilts, Glenn O. Blough, Ruth L. Roche.
260 _aColumbus, Ohio :
_bCharles E. Merrill,
_c1973.
300 _a139 p. : ill. ; cm.
650 _aSciences
_xJuvenile literature.
999 _c110089
_d110089