TY  - BOOK
AU  - Hay,Donald A.
AU  - Morris,Derek,joint author
TI  - Industrial economics: theory and evidence 
SN  - 0198771126
PY  - 1979///
CY  - New York
PB  - Oxford University Press
KW  - Industrial organization(Econoic theory)
N1  - Errata slip inserted; Includes bibliographical references and indexes; Open access
ER  -