Due to the importance of limiting the degree of air pollution, caused mostly by coal fires, it has become necessary to seek a practicable solution to the problem of smoke generation in open hearth fires, where combustion is uncontrolled.
Reference:
Burger, E., Van Doornum, G. & Van Heerden, R. 1965. The open fire and air pollution. http://hdl.handle.net/10204/12842 .
Burger, E., Van Doornum, G., & Van Heerden, R. (1965). The open fire and air pollution Retrieved from http://hdl.handle.net/10204/12842
Burger, E, GAW Van Doornum, and RB Van Heerden The open fire and air pollution. 1965. http://hdl.handle.net/10204/12842
Burger E, Van Doornum G, Van Heerden R. The open fire and air pollution. 1965 [cited yyyy month dd]. Available from: http://hdl.handle.net/10204/12842