Seam and location differentiation of coal specimens using trace element concentrations.

MLA

Nichols, C. L., and J. M. D’Auria. “Seam and Location Differentiation of Coal Specimens Using Trace Element Concentrations.” Analyst, vol. 106, no. 1265, Aug. 1981, pp. 874–82. EBSCOhost, https://doi.org/10.1039/AN9810600874.

APA

Nichols, C. L., & D’Auria, J. M. (1981). Seam and location differentiation of coal specimens using trace element concentrations. Analyst, 106(1265), 874–882. https://doi.org/10.1039/AN9810600874

Chicago

Nichols, C. L., and J. M. D’Auria. 1981. “Seam and Location Differentiation of Coal Specimens Using Trace Element Concentrations.” Analyst 106 (1265): 874–82. doi:10.1039/AN9810600874.