00547nam a22001937a 4500 BD-DhUL 20161108121652.0 161108s1957 nyu||||| |||| 00| 0 eng BD-DhUL BD-DhUL 025.173 WIA Wittich, W. A. Audio-visual materials : their nature and use / W. A. Wittich 2nd ed. New York : Harper, 1957. xxvii, 570 p. : Plats. ills.; 21 cm. Libraries Schuller, C. F. ddc BK 120870 120870 0 0 ddc 0 025_173000000000000_WIA 0 NFIC 227414 DUL DUL GEN 2016-11-08 Purchased 025.173 WIA A49115 2016-11-08 2016-11-08 BK 0 0 ddc 0 025_173000000000000_WIA 0 NFIC 227415 DUL DUL GEN 2016-11-08 Purchased 025.173 WIA A32028 2016-11-08 2016-11-08 BK 0 0 ddc 0 025_173000000000000_WIA 0 NFIC 227416 DUL DUL GEN 2016-11-08 Purchased 025.173 WIA A50933 2016-11-08 2016-11-08 BK