40 principles : TRIZ keys to innovation /
Altshuller, Genrikh Saulovich,
40 principles : TRIZ keys to innovation / by Genrich Altshuller ; with new material by Lev Shulyak ; drawings by Uri Fedoseev ; translated and edited by Lev Shulyak and Steven Rodman. - 135 páginas : ilustraciones - TrizTools ; 1 .
0964074036
Inventos.
Pensamiento creativo.
608 / A469f 1997
40 principles : TRIZ keys to innovation / by Genrich Altshuller ; with new material by Lev Shulyak ; drawings by Uri Fedoseev ; translated and edited by Lev Shulyak and Steven Rodman. - 135 páginas : ilustraciones - TrizTools ; 1 .
0964074036
Inventos.
Pensamiento creativo.
608 / A469f 1997