peak P

Resource

Folke Gunther

Richard Douthwaite

, Sustainability through local self sufficiency , 2003? ,

Green Books

,

London

, http://www.feasta.org/documents/wells/contents.html?six/guenther.html

Patrick Dery

Bart Anderson

, Peak phosphorus , 2007 ,

Energy Bulletin

,

http://www.energybulletin.net

, http://www.energybulletin.net/node/33164

Patrick Dery

Bart Anderson

, Peak phosphorus , 2007 ,

Energy Bulletin

,

http://www.energybulletin.net

, http://www.energybulletin.net/node/33164

Patrick Dery

Bart Anderson

, Peak phosphorus , 2007 ,

Energy Bulletin

,

http://www.energybulletin.net

, http://www.energybulletin.net/node/33164

Patrick Dery

Bart Anderson

, Peak phosphorus , 2007 ,

Energy Bulletin

,

http://www.energybulletin.net

, http://www.energybulletin.net/node/33164

Patrick Dery

Bart Anderson

, Peak phosphorus , 2007 ,

Energy Bulletin

,

http://www.energybulletin.net

, http://www.energybulletin.net/node/33164

Patrick Dery

Bart Anderson

, Peak phosphorus , 2007 ,

Energy Bulletin

,

http://www.energybulletin.net

, http://www.energybulletin.net/node/33164