MAP20080006877 Friends, acquaintances, or strangers? : partner selection in R&D alliances / Dan Li... [et al.] En: Academy of management journal. - New York : Academy of Management, 1999-2010 = ISSN 0001-4573. - 01/04/2008 Tomo 51 Número 2 - 2008 I. Li, Dan . II. Title.