| 청구기호 |
HD30.42.U5 .R186 |
| 형태사항 |
xi, 512 p. : ill. ; 24 cm.
|
| 언어 |
English |
| 일반주기 |
Papers presented at a conference held in Lenox, Mass. in the fall of 1981, and organized by the National Bureau of Economic Research.
|
| 서지주기 |
Includes bibliographies and indexes.
|
| 주제 |
Recherche industrielle --Etats-Unis --congreBrevets di}nvention --Etats-Unis --congreEntreprises --productivite> --Etats-Unis --congreResearch, Industrial --United States --Congresses.
Patents --United States --Congresses.
Industrial productivity --United States --Congresses.
|
| LCCN |
83018121
|
| ISBN |
0226308839(cloth)
0226308847(paper)
|
