TY - GEN AU - United Nations Environment Programme PY - 2010 SN - 978-92-807-2911-5 UR - https://wedocs.unep.org/handle/20.500.11822/7916 LA - English PB - United Nations Environment Programme TI - Manual for the refrigeration and air-conditioning technicians and engineers: post phase-out period of CFCs and beginning of phase-out of HCFCs M3 - Technical guideline ER -