00793cam a22002531 4500 9375985 BD-DhUL 20140819120308.0 750519s1962 mnua 000 0 eng 62020860 (OCoLC)1343474 DLC FO OCoLC DLC BD-DhUL premarc Q105 .W4 1962 500.074 WEY Welte, Arden F. Your science fair: an opportunity for youth; a guidebook to successful science exhibits, by Arden F. Welte, James Dimond [and] Alfred Friedl. Minneapolis, Burgess Pub. Co. 1962. 161 p. : ill. ; 28 cm. Science fairs. Science fair. 7 cbc oclcrpl u ncip 19 y-gencatlg ddc BK 3974 3974 0 0 ddc 0 500_074000000000000_WEY 0 NFIC 7163 DUSL DUSL GEN 2014-08-19 Purchased 500.074 WEY A25710 2014-08-19 2014-08-19 BK