000 00319nam a2200097Ia 4500
008 230915s9999 xx 000 0 und d
050 _aQ181.C73 1994
100 _aVALERIE CRANE
245 0 _aINFORMAL SCIENCE LEARNING: WHAT THE RESEARCH SAYS ABOUT TELEVISION, SCIENCE MUSEUMS AND COMMUNITY-BASED PROJECTS
942 _cBK
999 _c181815
_d181815