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- [6] DELAUER CAUTIONS AGAINST INDEPENDENT R-AND-D LINE BUDGETING ASTRONAUTICS & AERONAUTICS, 1983, 21 (10): : 21 - 22
- [7] AN INCREMENTAL APPROACH FOR R-AND-D PROJECT-PLANNING AND BUDGETING RESEARCH MANAGEMENT, 1981, 24 (02): : 17 - 20
- [8] THE STRUCTURE OF CANADIAN INTER-INDUSTRY R-AND-D SPILLOVERS, AND THE RATES OF RETURN TO R-AND-D JOURNAL OF INDUSTRIAL ECONOMICS, 1989, 37 (03): : 315 - 328