Kumar Pushpam Valuation of regulating services of ecosystems Methodology and applications. - London Routledge 2012 - x;244p. cm. ISBN: 2644.4504999999999 Standard No.: 119476 Source: 745, 03/09/2013, The Book Seller Textual Subjects--Topical Terms: Business Economics Dewey Class. No.: X:(G:527), Q0