共 50 条
- [41] VALIDITY OF MAXIMUM PERMISSIBLE DOSE CONCEPT AND BASES OF PRESENT LEVELS FOR OCCUPATIONAL EXPOSURE BRITISH JOURNAL OF RADIOLOGY, 1965, 38 (451): : 554 - &
- [42] ON SEVERAL PROBLEMS IN THE CURRENT SITUATION WITH REGARD TO THE REQUISITION AND PROCUREMENT OF AGRICULTURAL AND SIDELINE PRODUCTS CHINESE ECONOMIC STUDIES, 1985, 18 (03): : 3 - 19
- [43] ESTIMATING RADIOELEMENTS IN EXPOSED INDIVIDUALS .2. RADIATION DOSAGE AND PERMISSIBLE LEVELS NUCLEONICS, 1951, 8 (03): : 66 - 78
- [44] COMPUTATION OF PERMISSIBLE NOISE EXPOSURE AMERICAN INDUSTRIAL HYGIENE ASSOCIATION JOURNAL, 1982, 43 (05): : 371 - 373
- [47] Uncertainty with regard to the economic situation SVENSK PAPPERSTIDNING-NORDISK CELLULOSA, 1995, 98 (12): : 7 - 7
- [48] THE SITUATION WITH REGARD TO RURAL YOUTH BERICHTE UBER LANDWIRTSCHAFT, 1983, 61 (01): : 144 - 156