共 50 条
- [46] LEGAL PROTECTION FOR CAVES IN THE UNITED-STATES [J]. ENVIRONMENTAL GEOLOGY, 1995, 26 (02): : 121 - 123
- [47] LEGAL AND ILLEGAL MIGRATION TO THE UNITED-STATES [J]. INTERNATIONAL LABOUR REVIEW, 1980, 119 (02) : 255 - 260
- [48] CHECKLIST OF LEGAL NEWSPAPERS IN THE UNITED-STATES [J]. LAW LIBRARY JOURNAL, 1981, 74 (03): : 543 - 555
- [49] UNITED-STATES INTERVENTION IN VIETNAM IS NOT LEGAL [J]. AMERICAN BAR ASSOCIATION JOURNAL, 1966, 52 (07): : 627 - 634