00543nam a2200193Ia 450000500170000000800410001704000190005804100120007708200130008910000240010224500700012626000270019630000160022344000390023965000190027865100120029770000300030985000100033920240606095741.0131103s9999    xx            000 0 und d  aLoreto College  aEnglish  a570bHEA  aHeafford, Philip E.  aMetals and mancPhilip E. Heafford; edited by Charles H. Dobinson  aLondonbLongmansc1962  a96p.b ill.  aScience on the march unit thirteen  aElectric power  aScience  aDobinson, Charles H.; ed.  aLCBED