01091nam a2200289 i 450099100127066970753620020507113701.0970308s1981 us ||| | eng b10197217-39ule_instLE00644966ExLDip.to Fisicaita1:5530'.028QC5.56Schmidt, H.-J.350062Structure and approximation in physical theories :proceedings of a Colloquium held at Osnabruck, FRG in June 1980 /edited by A. Hartkämper and H.-J. SchmidtNew York :Plenum Press,1981viii, 255 p. :ill. ;26 cm.Includes bibliography and index.Physics-TheoriesHartkämper, A..b1019721702-04-1427-06-02991001270669707536LE006 1:5 HAR12006000007238le006-E0.00-l- 00000.i1024365327-06-02Structure and approximation in physical theories191099UNISALENTOle00601-01-97ma -engus 01