00507nam a2200181Ia 450000500170000000800410001704000190005804100120007708200150008910000230010424500310012726000410015830000260019944000230022565000220024865100450027085000100031520220722155507.0131103s9999    xx            000 0 und d  aLoreto College  aEnglish  a526.8bALE  aAlexander, William  aMaps,charts and protection  aLondonbGeorge Allen and unwinc1940  a91 p.b ill.6 figures  aObservers Books; 1  aMap protection -   aMathematical geography,map projection -   aLCLIB