MAP20080008635 David, Parthiban The Implications of debt heterogeneity for R&D investment and firm performance / Parthiban David, Jonathan P. O'Brien, and Toru Yoshikawa En: Academy of management journal. - New York : Academy of Management, 1999-2010 = ISSN 0001-4573. - 01/02/2008 Número 1 51 2008 I. Yoshikawa, Toru . II. O'Brien, Jonathan P. .