TY  - BOOK
AU  - Hagel,John
AU  - Armstrong,Arthur G.
TI  - NET GAIN
SN  - 9780875847597
U1  - 658.800285467 
PY  - 1997///
CY  - 
PB  - Harvard Business School Pr., Boston
KW  - Internet Marketing
KW  - Customer Relations
ER  -