00670nam0-22002411i-450-99000130956040332120071218140427.0000130956FED01000130956(Aleph)000130956FED0100013095620001205d1977----km-y0itay50------baengQualitative methods in elesticityPiero VillaggioLeydenNoordhoff Int. Pub.1977Villaggio,Piero30833ITUNINARICAUNIMARCBK990001309560403321181-E-2121376MA1MA1Qualitative methods in elesticity383545UNINA