00310nam a2200109Ia 450000500170000000800410001708200150005810000210007324500590009426000390015330000080019220260224040959.0260224s9999||||xx |||||||||||||| ||und||  a547.95 DIT  aDittmer, P.R.D.  0aPrinciples of food, brverage and labour cost controls.  aUSA: John Willey &Sons Inc.,c2003  a579