TY - BOOK AU - "UN, International Environmental Technology Centre" ED - "UN, International Environmental Technology Centre" TI - "Workbook for training in adopting, applying and operating environmentally sound technologies" T2 - "United Nations Environment Programme, Publication" U1 - "U:(G:55), N8/UN" PY - 1998/// CY - New PB - York U N KW - Geography irt Environment ER -