TY  - BOOK
AU  - Vallen Jerome J etc
TI  - Art and science of managing /hotels/Restaurants/in
T2  - Ahrens series
U1  - X9(NA,4):8, K8 
PY  - 1968///
CY  - New Jersey 
PB  - Hayden Book Companey.       
KW  - Hotel  Industry
ER  -