Vol. s5-2, Issue 11, 1921November 01, 1921 EDT
The Classification of Igneous Rocks; a Study for Students
The Classification of Igneous Rocks; a Study for Students
Louis Valentine Pirsson,
Pirsson, L. V. (1921). The classification of igneous rocks; a study for students. American Journal of Science, s5-2(11), 265–284. https://doi.org/10.2475/ajs.s5-2.11.265