1. Report of the liquid metal fast breeder reactor program review group 1975
2. Statistical data of the uranium industry 1975
3. NUCLEONICS WEEK 1974 Rising uranium price prompts new look at seawater as source
4. Energy Research Development Administration Publication 1974 WASH-1139(74)
5. U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 820: 460 (1973).