@incollection{harwood_sustainability_2001,
	title = {Sustainability in agriculture systems in transition - {At} what cost?},
	booktitle = {Sustainability of {Agricultural} {Systems} in {Transition}},
	publisher = {ASA-CSSA-SSSA Special Publication \#64},
	author = {Harwood, R. R.},
	editor = {Rao, S.},
	year = {2001},
	keywords = {KBS}
}