00798cam a2200253 4500 1168 1168 4057606 OSt 20190903160151.0 700821s1962 njua b 001 0 eng 61008223 DLC DLC DLC LB1043 .D45 1962 371.335 DEK De Kieffer, Robert E. (Robert Eulette), 1916-1999. Manual of audio-visual techniques [by] R. E. de Kieffer [and] Lee W. Cochran. 2d ed. Englewood Cliffs, N.J., Prentice-Hall, 1962. 254 p. illus. 28 cm. Prentice-Hall education series Audio-visual education. Cochran, Lee W., joint author. 7 cbc orignew u ncip 19 y-gencatlg ddc STS 0 0 ddc 0 0 16/4 AIISH AIISH 2019-09-03 0 371.335 DEK 10365 2019-09-03 00:00:00 2019-09-03 STS 0 0 ddc 0 0 16/4 AIISH AIISH 2019-09-03 0 371.335 DEK 11152 2019-09-03 00:00:00 2019-09-03 STS 0 0 ddc 0 0 16/4 AIISH AIISH 2019-09-03 0 371.335 DEK 79 2019-09-03 00:00:00 2019-09-03 STS 0 0 ddc 0 0 16/4 AIISH AIISH 2019-09-03 0 371.335 DEK 1605 2019-09-03 00:00:00 2019-09-03 STS