00333nam a2200121Ia 4500082001700000100001800017245008500035260003400120300000900154490003800163500000500201700000500206  a514bT455.SF  aThomas, Emery  aSeminar on fiber spaces; lectures delivered at Berkeley, 1964 and Zurich, 1965b  aBerlinbSpringer-Verlagc1966  a45p.  aLecture notes in Mathematicsv 13  a  a