1. 1
    Published 1996
    ...QC 879.8 .P766...
    Book
  2. 2
    by Austin, Duncan
    Published 1997
    ...QC 981.8 .C5 .A935...
    Book
  3. 3
    by Lomborg, Bjørn, 1965-
    Published 2007
    ...QC 981.8 .G56 .L843 2007...
    Book