00399nam a2200121Ia 4500082001700000100004500017245005900062260004800121300001600169490005200185500000500237700003500242  a516bC345.AS  aCasson, Andrew J. and Bleiler, Stevan A.  aAutomorphisms of surfaces after Nielsen and Thurstonb  aCambridgebCambridge University Pressc1988  a105p. Index  aLondon Mathematical Society student textsv v.9  a  aBleiler, Stevan A. ; jt. auth.