000 00422nam a2200121Ia 4500
008 130521s9999 xx 000 0 und d
020 _a67520972203
100 _a"Sund, Robert"
245 _aTeaching Science Through Discovery /
260 _a"Columbus, Ohio :"
650 _a"EDUCATION, ELEMENTARY - CONSCIENCE;EDUCATION, SCIENCE - TEACHING STRATEGIES;SCIENCE - STUDY AND TEACHING(ELEMENTARY)"
700 _a"Sund, Robert B."
999 _c8312
_d8312