The effects of mechanisation in coal mining were investigated by the NCB Scientific Department and some data were published in "second Symposium on Coal Preparation" 21st to 25th October, 1957, University of Leeds.
Reference:
Raab, G. 1973. The applicability of the rosin-rammler diagram to represent the size distribution of run-of-mine coals. http://hdl.handle.net/10204/12929 .
Raab, G. (1973). The applicability of the rosin-rammler diagram to represent the size distribution of run-of-mine coals Retrieved from http://hdl.handle.net/10204/12929
Raab, GA The applicability of the rosin-rammler diagram to represent the size distribution of run-of-mine coals. 1973. http://hdl.handle.net/10204/12929
Raab G. The applicability of the rosin-rammler diagram to represent the size distribution of run-of-mine coals. 1973 [cited yyyy month dd]. Available from: http://hdl.handle.net/10204/12929