Open MKLau opened 10 years ago
http://www.nrs.fs.fed.us/pubs/jrnl/2011/nrs_2011_pickett_001.pdf
http://books.google.com/books/about/Urban_Ecology.html?id=EnYJngEACAAJ
http://www.nrs.fs.fed.us/pubs/jrnl/2011/nrs_2011_pickett_001.pdf
http://books.google.com/books/about/Urban_Ecology.html?id=EnYJngEACAAJ