40 principles
Subtitle: TRIZ keys to innovation
By: by Genrich Altshuller ; with new material by Lev Shulyak ; drawings by Uri Fedoseev ; translated and edited by Lev Shulyak and Steven Rodman.
Contributors: Shulyak, Lev.; Rodman, Steven.
Edition: 1st ed.
Series: TrizTools ;; v. 1
Publisher: Technical Innovation Center; Technical Innovation Center, INC.
Published: 1997
Place of publication: Worcester, MA
Language: eng
Number of pages: 135
Subjects: Inventions.; Creative thinking.
Other titles: Forty principles