TY  - BOOK
AU  - Vervest Peter
AU  -  Dunn A. L.
TI  - How to win customers in the digital world :  Total a   
U1  - X:511-8:(D6,9(B), P0 
PY  - 2000///
CY  - Berlin
PB  - Springer          
KW  - Marketing
N1  - Bibliography: P 233-235
ER  -