00431nam a2200157Ia 4500008004100000020001800041040001900059041001200078082002400090100001800114245006200132260002500194300002400219650001200243850001800255131103s9999    xx            000 0 und d  a0 361 02992 6  aLoreto College  aEnglish  aREF/JOHbLCBED/7187  aJohnston, Ted  aScience magicb with chemistry and biology cTed Johnston  aBerksbPurnellc1974  a61p.b ill.c 25cm.  aScience  aLCBED/REF/JOH