00359nam a2200133Ia 4500020001500000082001700015100002000032245003500052260005200087300002700139490004900166500000500215700000500220  a0821835319  a514bF219.TC  aFarber, Michael  aTopology of closed one-formsb  aProvidencebAmerican Mathematical Societyc2004  axi, 246p. Bibl. Index.  aMathematical surveys and monographs v v.108  a  a