TY  - BOOK
AU  - Altshuller, Genrich 
TI  - 40 Principles: Triz Keys to Technical Innovation
SN  - 9709640740369
U1  - 608 
PY  - 1998///
CY  - Worcester
PB  - Technical Innovation Center 
N1  - Part - 1: How this Book is Structured
Publisher’s Preface
Genrich Altshuller: Father of TRIZ
Introduction to TRIZ
Part - 2: 40 Principles
Part - 3: Using the 40 principles and Contradiction Matrix
Three Steps for Solving an Inventive Problem
Practice Problems
Exercise Problems
Part - 4: Appendix
Form F -1: Formulation of Characteristic to be Improved
Form F - 2: Formulation of Technical Contradiction
Summary of the 40 Principles
Characteristics of Technical Systems
Providers of TRIZ - based Services in the United States
Part - 5: Contradiction Matrix
ER  -