TY  - BOOK
AU  - Poler,Raúl
AU  - Mula,Josefa
AU  - Díaz-Madroñero,Manuel
TI  - Operations research problems: statements and solutions 
SN  - 9781447155768
PY  - 2014///
CY  - London
PB  - Springer
KW  - Operations research
N1  - Includes bibliographical references and index
ER  -