00684nam0-22002651i-450-99000125650040332120060718094754.0000125650FED01000125650(Aleph)000125650FED0100012565020001205d1968----km-y0itay50------baengFlat manifoldsby Bamber And tounderBerlinSpringer-Verlag196867 ̜volKamber,Franz48108Tounder,P.ITUNINARICAUNIMARCBK990001256500403321C-20-(678098MA1MA1Flat manifolds262935UNINA