TY - GEN AU - United Nations Environment Programme A4 - Brander, Luke PY - 2013 SN - 978-92-807-3362-4 UR - https://wedocs.unep.org/handle/20.500.11822/8434 LA - English PB - United Nations Environment Programme TI - Guidance manual on value transfer methods for ecosystem services M3 - Technical guideline ER -