00333nam a2200121Ia 4500082001700000100003600017245002300053260003600076300002700112490003900139500000500178700002800183  a514bW629.DT  aWhyburn, Gordon and Duda, Edwin  aDynamic topologyb  aNew YorkbSpringer-Verlagc1979  axi, 152p. Index, Bibl.  aUndergraduate texts in Mathematics  a  aDuda, Edwin ; jt. auth.