共 50 条
- [4] SOIL AND WATER DEVELOPMENTS OF NEXT HALF-CENTURY [J]. AGRICULTURAL ENGINEERING, 1970, 51 (04): : 224 - &
- [9] THE NEXT HALF-CENTURY OF AGING RESEARCH - AND THOUGHTS FOR THE PAST [J]. JOURNALS OF GERONTOLOGY SERIES B-PSYCHOLOGICAL SCIENCES AND SOCIAL SCIENCES, 1995, 50 (03): : S131 - S133