Introduction to telephones and telephone systems /
Noll, A. Michael.
Introduction to telephones and telephone systems / A. Michael Noll. - Norwood, Mass. : Artech House, c1991. - xi, 177 p. : ill. - Artech House telecom library .
089006203X
92034369
Telephone.
Telephone systems.
Introduction to telephones and telephone systems / A. Michael Noll. - Norwood, Mass. : Artech House, c1991. - xi, 177 p. : ill. - Artech House telecom library .
089006203X
92034369
Telephone.
Telephone systems.