James D.Hume Tufts University, Medford, Massachusetts
Cite
Hume, James D. “An Understanding of Geologic Time”. Journal of Geological Education, vol. 26, no. 4, 1978, pp. 141-3, https://doi.org/10.5408/0022-1368-26.4.141.
Hume, J. D. (1978). An Understanding of Geologic Time. Journal of Geological Education, 26(4), 141-143. https://doi.org/10.5408/0022-1368-26.4.141
Hume JD. An Understanding of Geologic Time. Journal of Geological Education. 1978;26(4):141-3.