40 principles :
Altshuller, Genrikh Saulovich,
40 principles : TRIZ keys to technical innovation / Forty principles by Genrich Altshuller ; new edition with commentary by Dana W. Clarke ; with additional material by Lev Shulyak and Leonid Lerner ; drawings by Uri Fedoseev ; translated and edited by Lev Shulyak and Steven Rodman - Extended edition - 137 páginas : ilustraciones - TrizTools ; volume 1 .
0964074052 9780964074057
Inventos
Pensamiento creativo
T212 / A47 2005
608
40 principles : TRIZ keys to technical innovation / Forty principles by Genrich Altshuller ; new edition with commentary by Dana W. Clarke ; with additional material by Lev Shulyak and Leonid Lerner ; drawings by Uri Fedoseev ; translated and edited by Lev Shulyak and Steven Rodman - Extended edition - 137 páginas : ilustraciones - TrizTools ; volume 1 .
0964074052 9780964074057
Inventos
Pensamiento creativo
T212 / A47 2005
608