00492nam a2200169Ia 4500008004100000040001900041041001200060082002000072245007500092260003800167300002500205440002400230504001900254650001200273700002300285850001400308131103s9999    xx            000 0 und d  aLoreto College  aEnglish  aREFbLCBED/7167 4aThe sciencesb understanding natural forces cEdited by J. A. Lauwerys  aLondonbThe Grolier Societyc1966  a256p.b ill.c 25cm.  aOur World in colour  aIncludes index  aScience  aLauwerys,J. A.;ed.  aLCBED/REF