共 50 条
- [1] 1977 WEST-VIRGINIA HYBRID CORN TRIALS WEST VIRGINIA AGRICULTURAL EXPERIMENT STATION CURRENT REPORT, 1978, (71): : 3 - 28
- [2] 1976 WEST-VIRGINIA HYBRID CORN TRIALS WEST VIRGINIA AGRICULTURAL EXPERIMENT STATION CURRENT REPORT, 1977, (70): : 3 - 23
- [3] 1980 WEST VIRGINIA HYBRID CORN TRIALS WEST VIRGINIA AGRICULTURAL EXPERIMENT STATION CURRENT REPORT, 1981, (75): : 3 - 25
- [4] OIL AND GAS DEVELOPMENTS IN MARYLAND, OHIO, PENNSYLVANIA, VIRGINIA, AND WEST-VIRGINIA IN 1978 AAPG BULLETIN-AMERICAN ASSOCIATION OF PETROLEUM GEOLOGISTS, 1979, 63 (08): : 1244 - 1277