?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=S+P&rft.au=Wani%2C+S+P&rft.aulast=Wani&rft.isbn=0-85199-828-3&rft.date=2005&rft.title=Biophysical+indicators+of+agro-ecosystem+services+and+methods+for+monitoring+the+impacts+of+NRM+technologies+at+different+scales&rft.tpages=382&rft.btitle=Natural+resource+management+in+agriculture%3A+methods+for+assessing+economic+and+environmental+impacts&rft.genre=bookitem