A comparison of dry and wet ashing methods for the elemental analysis of peat. 1988. Ali, M.W.; Zoltai, S.C.; Radford, F.G. Canadian Journal of Soil Science 68(2): 443-447.
Sodium contamination by filter paper. 1974. Ali, M.W.; Kalra, Y.P. Journal of the Association of Official Analytical Chemists 57: 1.
Operation of the service laboratory at the Manitoba-Saskatchewan region. 1970. Kalra, Y.P.; Ali, M.W. Government of Canada, Department of Fisheries and Forestry, Northern Forest Research Centre, Edmonton, Alberta. Internal Report A 39. 56 p.