TY  - GEN
TI  - Technology in libraries
PY  - 1968///
CY  - Washington D.C.
PB  - National Audiovisual Center (GSA)
N1  - APD no. 00238; 1 sound cassete + 56 slides - unit 1, 1 sound cassette + 75 slides - unit 2, 1 sound cassette + 80 slides -  unit 3, 1 sound cassette + 63 slides - unit 4, 1 sound cassette + 77 slides - unit 5
ER  -