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- [23] AGRICULTURAL DRAINAGE RESEARCH NEEDS AND PRIORITIES, 1974 TRANSACTIONS OF THE ASAE, 1975, 18 (03): : 529 - 534
- [25] RESEARCH NEEDS AND PRIORITIES IN FOOD-TECHNOLOGY LEBENSMITTEL-WISSENSCHAFT & TECHNOLOGIE, 1988, 21 (02): : 71 - 75
- [28] PRIORITIES IN DISTRIBUTION RESEARCH AND APPLIED DEVELOPMENT NEEDS JOURNAL AMERICAN WATER WORKS ASSOCIATION, 1974, 66 (09): : 507 - 509