TY  - BOOK
AU  - Hagel, John.
AU  - Armstrong, Arthur.
TI  - Net gain :  : expanding markets through virtual communities
SN  - 0875847595 
AV  - HF5415.1265 .H34 1997 
PY  - 1997///
CY  - Boston 
PB  - Harvard Business School Press
KW  - Internet marketing
KW  -  Customer relations
N1  - Includes bibliographical references (p. 221-224) and index
ER  -