Mayer Audrey L, Kauppi Pekka E, Angelstam Per K, Zhang Yu, Tikka Päivi M
U.S. Environmental Protection Agency, Office of Research and Development, National Risk Management Research Laboratory; Cincinnati, OH 45268, USA.
Science. 2005 Apr 15;308(5720):359-60. doi: 10.1126/science.1109476.