00478nam a2200145Ia 4500001000500000005001700005008004100022020001500063082001900078100001900097245013000116250001200246260004100258650003300299711820261006004009.0120911s9999    xx            000 0 und d  a0442016018  a647.950681 DIT  aDittmer, Paul.  aPrinciples of food, beverage & labour cost controls for hotels and restaurants / Paul R Dittmer , Gerald G. Griffin .- 5th ed  a5th ed.  aNew York: Van Nostrand Reinhold,1993  aFood service --Cost control.