000 00474nam a2200157Ia 4500
008 211115s9999 xx 000 0 und d
041 _aeng
082 _aA0bT15:3
_bK0
100 _aNavarra, John Gabriel.
245 0 _aScience today for the elementary-school teachers /
_cby John Gabriel Navarra,Joseph Zafforni.
250 _a1st.Edn. /
260 _aNew York :
_bHarper & Row,Publishers ,
_c1973
300 _aviii,470p ;
650 _aScience Today
942 _cTB
999 _c35512
_d35512