共 50 条
- [41] 1ST REPORT OF BEET SOILBORNE VIRUS IN THE UNITED-STATES [J]. PLANT DISEASE, 1994, 78 (03) : 316 - 316
- [43] SMALL FIRMS IN UNITED-STATES MANUFACTURING - A 1ST REPORT [J]. ECONOMICS LETTERS, 1989, 31 (04) : 399 - 402
- [45] THE 1ST STATE BOARD OF HEALTH LABORATORIES IN THE UNITED-STATES [J]. PUBLIC HEALTH REPORTS, 1954, 69 (09): : 867 - 875
- [46] 1ST UNITED-STATES INTERNATIONAL MEDICAL FILM EXHIBITION [J]. JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION, 1956, 162 (17): : 1544 - 1544
- [48] THE UNITED-STATES FORMS THE 1ST ROBOTS USERS GROUP [J]. NUCLEAR ENGINEERING INTERNATIONAL, 1987, 32 (393): : 35 - 36
- [49] A 1ST FOR THE UNITED-STATES - ASEPTIC ORANGE JUICE CONCENTRATE [J]. FOOD ENGINEERING, 1983, 55 (03): : 63 - 63
- [50] 1ST RESEARCH REPORT OF ACARINE EFFECTS IN THE UNITED-STATES [J]. AMERICAN BEE JOURNAL, 1986, 126 (05): : 343 - 345