TY  - BOOK
AU  - Hay,Donald A.
TI  - Industrial economics:  theory and evidence
SN  - 198771134
AV  - HD2326.H37 
PY  - 1979///
CY  - Oxford
PB  -  : Oxford University Press
KW  - Industrial organisation (Economic theory)
N1  - Includes bibliographical references
ER  -