In the progress report for the period October 1960 to February 1961 (FRI Technical memorandum No. 2 of 1961) certain phosphorus contents of waterberg coal samples were reported.
Reference:
Savage, W. 1961. The phosphorous content of Waterberg coal (ISCOR - SASOL - F.R.I. steering committee). http://hdl.handle.net/10204/12845 .
Savage, W. (1961). The phosphorous content of Waterberg coal (ISCOR - SASOL - F.R.I. steering committee) Retrieved from http://hdl.handle.net/10204/12845
Savage, WHD The phosphorous content of Waterberg coal (ISCOR - SASOL - F.R.I. steering committee). 1961. http://hdl.handle.net/10204/12845
Savage W. The phosphorous content of Waterberg coal (ISCOR - SASOL - F.R.I. steering committee). 1961 [cited yyyy month dd]. Available from: http://hdl.handle.net/10204/12845