Electricity and Magnetism
Duffin, W J
Electricity and Magnetism W J Duffin - - England McGraw-Hill Book Company 1965 - xxvi,467p.
Public Administration
537 / DUF
Electricity and Magnetism W J Duffin - - England McGraw-Hill Book Company 1965 - xxvi,467p.
Public Administration
537 / DUF