TY  - BOOK
AU  - Davis,Martyn P.
ED  - Institute of Marketing
ED  - CAM Foundation
TI  - The effective use of advertising media: a practical guide 
SN  - 0091429706
PY  - 1981///
CY  - London
PB  - Business Books
KW  - Advertising media planning
N1  - Includes bibliographical references and index
ER  -