TY - GEN AU - United Nations Environment Programme A4 - Kumar, Pushpam A4 - Verma, Madhu A4 - Wood, Michael A4 - Negandhi, Dhaval PY - 2011 SN - 978-92-807-3131-6 UR - https://wedocs.unep.org/handle/20.500.11822/8003 LA - English PB - United Nations Environment Programme TI - Guidance manual for the regulating services of ecosystem M3 - Technical guideline ER -