Public address systems /
Capel, Vivian.
Public address systems / Vivian Capel. - Oxford ; Boston : Focal Press, 1992. - 250 p. : ill. ; 24 cm.
Includes index.
0750607327 0240514238
92015277
Public address systems.
621.3892 / C238
Public address systems / Vivian Capel. - Oxford ; Boston : Focal Press, 1992. - 250 p. : ill. ; 24 cm.
Includes index.
0750607327 0240514238
92015277
Public address systems.
621.3892 / C238