The microscope in elementary cast iron metallurgy,
by Roy M. Allen.
APA Citation
Allen, R. Morris. (1939). The microscope in elementary cast iron metallurgy. [Chicago]: American foundrymen's Association.
MLA Citation
Allen, Roy Morris, 1882-. The Microscope In Elementary Cast Iron Metallurgy. [Chicago]: American foundrymen's Association, 1939.
Warning: These citations may not always be complete (especially for serials).