00416nam a2200133Ia 4500008004100000020001800041041001200059082002400071100003900095245003800134250001200172260008600184300001200270231221s9999    xx            000 0 und d  a9780000000000  aEnglish  a647.940688 AST;1  R  aAstroff, Milton T. Abbey. James R. 0aConvention management and service  a8th ed.  c2011bAmerican Hotel & Lodging Association, Educational InstituteaLansing, Mich.  axv, 655