Schweitzer, Lisa (November 2006), "Environmental justice and hazmat transport: A spatial analysis in southern California", Transportation Research Part D: Transport and Environment, 11 (6), Amsterdam: 408–421, Bibcode:2006TRPD...11..408S, doi:10.1016/j.trd.2006.08.003
Schweitzer, Lisa (November 2006), "Environmental justice and hazmat transport: A spatial analysis in southern California", Transportation Research Part D: Transport and Environment, 11 (6), Amsterdam: 408–421, Bibcode:2006TRPD...11..408S, doi:10.1016/j.trd.2006.08.003