المؤلفون: Lewitus, Alan J., Schmidt, Laura B., Mason, Larissa J., Kempton, Jason W., Wilde, Susan B., Wolny, Jennifer L., Williams, B. Jamie, Hayes, Kenneth C., Hymel, Sabrina N., Keppler, Charles J., Ringwood, Amy H.

المصدر: Population and Environment, 2003 May 01. 24(5), 387-413.

URL الوصول: https://www.jstor.org/stable/27503851