参考文献/References:
1. IAEA: IAEA Bulletin 1990, 32(4):48
2. IAEA: IAEA Bulletin 1990, 32 (1):62
3. IAEA: Facts about the IAEA, Division of Public Information, IAEA, 1988, P.32~35
4. IAEA, IAEA Highlights of Activities, IAEA/PI/A22E 89-03534, 1989
5. Parr RM: Paper Presented at the Seventh International Symposium on Trace Elements in Man and Animals, Dubrovnik, Yugoslavia, 20~25 May 1990
6. IAEA, IAEA Bulletin 1990, 32(4):43