00364nam a2200133Ia 4500008004100000082001900041100001600060245001400076260003800090300001000128490002400138600005000162650001800212140224s9999    xx            000 0 und d  aR 91(98/99) L1  aLey, Willy.  aThe poles  aNew YorkbTime-Life Bookscc 1971  a192p.  aLife Nature Library  a Willy Ley and the editors of time-life books  aPolar regions