00296nam a2200121Ia 4500008004100000082001500041100001300056245002600069260004400095300001100139942000700150999001700157190709s9999    xx            000 0 und d  a516.7 H529  aHicks, N 0aDifferential geometry  aNew yorkbD. Van nostrand companyc1965  avi,183  cBK  c41825d41825