00974nam--2200349---450-99000237444020331620081209141326.0000237444USA01000237444(ALEPH)000237444USA0100023744420050121d1969----km-y0itay0103----baengUk||||||||001yySystems thinkingselected readingsedited by F. E. EmeryHarmondsworthPenguin Books1969398 p.18 cm20012001001-------2001EMERY,F.E.ITsalbcISBD990002374440203316658.4 EME 1(IRA 2 138)14334 E.C.IRA 200009615BKECOSIAV11020050121USA011344RSIAV19020081209USA011413RSIAV19020081209USA011413Systems thinking58605UNISA