TY  - BOOK
AU  - Wood, Donald N.,
AU  - Wylie, Donald G.,
ED  - 
ED  - 
ED  - 
ED  - 
SN  - 534004946
SN  - 2
PY  - 1977///];copyright 1977.46
CY  - Belmont, Calif.
PB  - Wadsworth Pub. Co.
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Telecommunication in education
N1  - Includes bibliographical references and indexes; 5
ER  -