Description
Published:Print began with: Vol 1, no 1, published in 1971?
Item Description:"Official publication of the National Association for Clean Air."--Vol. 7, no. 1 (May 1986) cover.
Some issues may have been published in Pretoria.
Refereed/Peer-reviewed
Physical Description:1 online resource
Publication Frequency:Twice yearly
ISSN:2410972X