James Murdock 

Professor Emeritus Department of Mathematics Iowa State University Ames, IA 50011

1. Perturbations: Theory and Methods. By James Murdock.  
First printing: Wiley, 1991. This edition contains some errata. Those that have any mathematical significance are listed here. Second printing: SIAM, 1999. The known errata have been corrected. 

2. Normal Forms and Unfoldings for Local Dynamical Systems. By James Murdock.  
Published by SpringerVerlag, New York, 2002. Here is a link to my web page for this book and for the subjects treated in the book . There is a link to the SpringerVerlag web page for the book, where it can be ordered. 
Second Edition. By Jan A. Sanders, Ferdinand Verhulst, and James Murdock.
Published by Springer, New York, 2007.