TY  - BOOK
AU  - Abell Derek F
TI  - Defining the business:  Yhe starting point of strat   
SN  - 0131978144
U1  - X:75.73.N7, M0 
PY  - 1980///
CY  - New Jersey 
PB  - Jerset Prentice-Hall         
KW  - Economics
ER  -