Purcell, E. M. Electricity and magnetism Berkeley physics cource. McGraw-Hill Book Co.
Chicago-viite (17. p.)Purcell, Edward M. Electricity and Magnetism Berkeley Physics Cource. McGraw-Hill Book Co.
MLA-viite (8. p.)Purcell, Edward M. Electricity and Magnetism Berkeley Physics Cource. McGraw-Hill Book Co.
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