共 50 条
- [1] RED MEAT PRODUCTION ON UNITED-STATES RANGELANDS JOURNAL OF RANGE MANAGEMENT, 1976, 29 (02): : 172 - 173
- [2] FUTURE OF UNITED-STATES BEEKEEPING AND UNITED-STATES AGRICULTURE AMERICAN BEE JOURNAL, 1986, 126 (04): : 273 - 275
- [3] THE USLE RAINFALL FACTOR FOR SOUTHWESTERN UNITED-STATES RANGELANDS SCIENCE AND EDUCATION ADMINISTRATION PUBLICATIONS, 1982, ARM (NW-26): : 50 - 62
- [5] THE FUTURE OF EXPLORATION IN THE UNITED-STATES AAPG BULLETIN-AMERICAN ASSOCIATION OF PETROLEUM GEOLOGISTS, 1986, 70 (08): : 1049 - 1049