共 50 条
- [21] THE RELATIONSHIP BETWEEN FEDERAL CONTRACT R-AND-D AND COMPANY R-AND-D AMERICAN ECONOMIC REVIEW, 1984, 74 (02): : 73 - 78
- [22] PROGRESSIVE R-AND-D COMPANY WORKS AT THE EDGE OF MATERIALS TECHNOLOGY METALLURGIA, 1988, 55 (11): : 578 - 578
- [23] R-AND-D IN THE NHS JOURNAL OF THE ROYAL COLLEGE OF PHYSICIANS OF LONDON, 1995, 29 (03): : 185 - 185