00330nam a2200133 a 4500008004100000020001500041050001800056100001600074245003900090250001200129260003000141300001600171350000900187120416s1993    ||||||||||||||||| ||    u  a024080192X  aTK 7881.9 Vas  aVasey, John10aConcert sound and lighting systems  a2nd ed.  aBostonbFocal Pressc1993  a183p. : ill  a0.00