Report Guangzhou air quality action plan 2001. Air quality management and planning system for Guangzhou (NORAD Project CHN 013). Aarhus, K.; Larssen, S.; Aunan, K.; Vennemo, H.; Lindhjem, Henriksen, J.F.; Sandvei, K. Publication details Year: 2000 ISBN: 82-7645-379-1 Link: https://www.nb.no/items/URN:NBN:no-nb_digibok_2009092301061