NATO Advanced Study Institute on Cosmology and Gravitation;Torsion,Rotation,and Spergravity,Bologna (1979)NATO Advanced Study Institute on Cosmology and Gravitation;Torsion,Rotation,and Spergravity,Bologna NATO Advanced Study Institute on Nonparametric Functional Estimation and RelatedTopics NATO Advances Study Institute on Sorption and Filtration Methods for Gas and Water Purification,Faus NATO Advanced Study Institute on Polynomial and Spline Approximation,Calgary,Canada,1978 NATO Advanced Study Institute on Propagation of Correlations in Constrained Systems NATO Advanced Study Institute on Patterm Recognition and Signal Processing NATO Advanced Study Institute on Recent Developments in Gravitation,Cargese,Corsica