00425nam a2200133 a 450000500170000002000150001708200150003210000190004724501300006626000290019630000260022563000170025163000230026820251203090947.0  a0080326293  a530.1bSER  aSerra, Roberto  aIntroduction to the physics of complex systemsbthe mesoscopic approach to fluctuations, non linearity, and self-organization  aNew YorkbPergamonc1986  axvi,222p.b22cm.cPB.  aFluctuations  aNonlinear theories