@article{1372169,
      recid = {1372169},
      author = {Downey, R. G. and Ng, Keng Meng, and Solomon, Reed,},
      title = {Minimal weak truth table degrees and computably enumerable  Turing degrees /},
      pages = {1 online resource (104 pages).},
      url = {http://library.usi.edu/record/1372169},
}