Harold L. Angle & Marshall Scott Poole 
Research on the Management of Innovation [PDF ebook] 
The Minnesota Studies

This is a reprint of a classic work of research on innovation first published in 1989. Resulting from the Minnesota Innovation Research Program (MIRP), the book includes a revised and expanded Preface and will complement the three other books growing out of the program, all published by Oxford–The Innovation Journey (1999), Organizational Change Processes: Theory and Methods for Research (2000), and Handbook of Organizational Change and Development (coming 2001).