TY  - BOOK
AU  - Hayes A S
TI  - Language laboratory facilites :  technical guide for their selection purchase use and maintenance
T2  - Language and language learning ed by Ronald Macking and Peter Strevens
U1  - P:f3, K8 
PY  - 1968///
CY  - Laondon
PB  - OUP       
KW  - LINGUISTICS
N1  - Appendix  (p.105-117) A A Sample specifacation B.A sel;ect bibliography of Adudivisual teching material
ER  -