00421nam a2200169Ia 450000500170000000800410001704000190005804100120007708200130008910000160010224500460011826000270016430000110019150400190020265000200022185000100024120240604113350.0131103s9999    xx            000 0 und d  aLoreto College  aEnglish  a570bALL  aAllcott, A. 4aThe young observersb book V cA. Allcott  aLondonbCassell c1953  a160p.   aIncludes index  aGeneral science  aLCBED