共 50 条
- [1] PCAST hears call for more R&D investment [J]. CHEMICAL & ENGINEERING NEWS, 2002, 80 (25) : 25 - 25
- [4] The federal budget and R&D [J]. ASHRAE JOURNAL-AMERICAN SOCIETY OF HEATING REFRIGERATING AND AIR-CONDITIONING ENGINEERS, 1997, 39 (05): : 26 - 26
- [10] Selection of R&D projects in a portfolio [J]. EMS - 2000: PROCEEDINGS OF THE 2000 IEEE ENGINEERING MANAGEMENT SOCIETY, 2000, : 506 - 511