00974nam a2200277 i 450099100113980970753620020507111818.0970308s1972 us ||| | eng b10179239-39ule_instLE00642808ExLDip.to Fisicaita53.3.11530.1'43QC174.45Harris, Edward G.47565A pedestrian approach to quantum field theory /Edward G. HarrisNew York :John Wiley & Sons,1972xii, 167 p. ;23 cm.Includes bibliographical references.Quantum field theory.b1017923921-09-0627-06-02991001139809707536LE006 53.3.11 HAR12006000075398le006-E0.00-l- 00000.i1021994827-06-02Pedestrian approach to quantum field theory189082UNISALENTOle00601-01-97ma -engus 21