ACE:10.2134/jeq2005.0032
ACE:10.2134/jeq2006.0007
ACE:10.2134/jeq2007.0305
ACE:10.2134/jeq2008.0022
ACE:10.2134/jeq2008.0183
ACE:10.2134/jeq2008.0477
ACE:10.2134/jeq2011.0297
ACE:10.2134/jeq2013.04.0142