The chemical composition of the fine clay fractions from Minnesota black prairie soils ...
APA Citation
Caldwell, A. Craig. (1941). The chemical composition of the fine clay fractions from Minnesota black prairie soils ... .
MLA Citation
Caldwell, Alfred Craig, 1910-. The Chemical Composition of the Fine Clay Fractions From Minnesota Black Prairie Soils ... , 1941.
Warning: These citations may not always be complete (especially for serials).