00451cam a22001337a 4500008004000000082001500040100002100055245010600076260004000182300001600222650002600238650003000264700002300294180718b1970   xxu||||| |||| 00| 0 eng d  aT3007 St74  aStormes, John M.  aTelevision communications systems for business and industrycby John M. Stormes and James P. Crumpler  aNew YorkbWiley- Intersciencec1970  axiii, 237p.  aIndustrial television  aClosed-circuit television  aCrumpler, James P.