00534nam a2200157Ia 4500001000500000005001700005008004100022020001500063082001900078100001900097245013000116250000700246260004500253300003200298650004600330129520261006003524.0120911s9999    xx            000 0 und d  a0442234325  a647.950681 DIT  aDittmer, Paul.  aPrinciples of food, beverage & labour cost controls for hotels and restaurants / Paul R Dittmer , Gerald G. Griffin .- 4th ed  a4e  aNew York : Van Nostrand Reinhold, c1989.  axii, 452 p. : ill. ; 25 cm.  aRestaurants, lunch rooms, etc -- Finance