C. Chan, B. D. Kay and E. G. Gregorich
Canadian journal of Soil Sciences 87 ( 5 ): 495 - 509 , 2007
B. K. Sey, J. K. Whalen, E. G. Gregorich, P. Rochette and R. I. Cue
Soil Science Society of America Journal 72 ( 4 ): 931 - 938 , 2008