00891nam a2200253 a 4500 vtls000071045 MTX 130725s2010 a 001 0 eng d 9780240813028 201507201607 VLOAD 1 STAFF MATRIX 201307251536 staff PBRU 658.13 K29U Kelsen, Keith 103056 Unleashing the power of digital signage : content strategies for the 5th screen / Keith Kelsen 5th ed Amsterdam ; Boston : Focal Press, 2010 xx, 243 p. : ill. ; 23 cm Digital signage 103057 Advertising Audio-visual equipment 103058 Signs and signboards 40437 201311 1 67675 67675 0 0 0 0 ENGfl4 PBRU PBRU 1005 2013-11-12 2470.00 E25374 0 658.13 K29U 1000175927 2018-06-21 00:00:00 1 2018-06-21 1