00318nam a2200121Ia 4500082001600000100004000016245002100056260003400077300000900111490003800120500000500158700003300163  a516bK15.FM  aKamber, Franz and Tondeur, Philippe  aFlat manifoldsb  aBerlinbSpringer-Verlagc1968  a53p.  aLecture notes in Mathematicsv 67  a  aTondeur, Philippe ; jt auth.