1. \bE1 density and Turing degrees;Chong;Z. Math. Logic Grundlag. Math.,1987
2. Minimal degrees recursive in 1-generic degrees;Chong;Ann. Pure Appl. Logic,1990
3. Minimal degrees and 1-generic degrees below 0\o';Chong,1983
4. Some application of the notion of forcing and generic sets;Feferman;Fund. Math.,1965
5. The degrees below a 1-generic degrees <0\o';Haught;J. Symbolic Logic,1986