Hall, B., Kerr, M. Green index 1991-1992. Washington etc.: Island Press, 1991 VIII, 162 p. : ill. 1-55963-115-5.
Hall, B., Kerr, M. Green index 1991-1992. Washington etc.: Island Press, 1991 VIII, 162 p. : ill. 1-55963-115-5.
Hall, B., Kerr, M. (1991) Green index 1991-1992, Washington etc.: Island Press VIII, 162 p. : ill. 1-55963-115-5.
Hall, B., & Kerr, M. (1991). Green index 1991-1992. A State-by-state guide to the nation's environmental health. Washington etc.: Island Press, VIII, 162 p. : ill.
Hall B, Kerr M. Green index 1991-1992: A State-by-state guide to the nation's environmental health. Washington etc.: Island Press; 1991. p. VIII, 162 p. : ill. ISBN: 1-55963-115-5.