TY  - BOOK
AU  - Mansfield,Edwin
AU  - Mansfield,Elizabeth
TI  - The Economics of technical change
SN  - 185278783X :
AV  - HC79.T4 E268 1993
PY  - 1993///
CY  - Aldershot, Hants, England, Brookfield, Vt., USA
PB  - E. Elgar Pub.
KW  - Technological innovations
KW  - Economic aspects
KW  - SOM1
N1  - Includes bibliographical references and index
ER  -