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- [3] ANOTHER PLEA FOR AGRICULTURAL RESEARCH-AND-DEVELOPMENT [J]. SCIENCE, 1987, 236 (4806) : 1180 - 1180
- [7] VALUE OF RESEARCH-AND-DEVELOPMENT TAX CONCESSIONS QUESTIONED [J]. SEARCH, 1993, 24 (05): : 132 - 132
- [8] FRANCE OFFERS RESEARCH-AND-DEVELOPMENT TAX BREAKS [J]. RESEARCH & DEVELOPMENT, 1990, 32 (11): : 89 - 89