00384nam a2200121Ia 4500082001900000100002700019245005300046260003100099300002900130490009300159500000500252700000500257  a515.9bG221.TT  aGardiner, Frederick P.  aTeichmuller theory and quadratic differentialsb  aNew YorkbJohn Wileyc1987  axvii, 236p. Index. Bibl.  aPure and Applied Mathematicsv Wiley interscience series of texts, monographs and tracts  a  a