RE Ulanowicz

Ecology, the Ascendent Perspective (Complexity in Ecological Systems) by RE Ulanowicz Columbia University Press Paperback 11 September 1997 from£28.89 | RRP: ~~£24.5~~
A Third Window: Natural Life Beyond Newton and Darwin by Robert E. Ulanowicz Templeton Foundation Press (Div. of John Templeton Paperback 29 April 2009 from£20.65 | RRP: ~~£16.99~~
A New Ecology: Systems Perspective by Sven Erik JÃ¸rgensen,Brian Fath,Simone Bastianoni,Joao C. Marques,Felix Muller,S. Nors Nielsen,Bernard D. Patten,Enzo Tiezzi,Robert E. Ulanowicz Elsevier Science Hardcover 16 May 2007 from£117.91 | RRP: ~~£105~~