New frontiers of physics /
by Paul R. Heyl.

APA Citation

Heyl, R. (1930). New frontiers of physics. New York: D. Appleton and company.

MLA Citation

Heyl, Renno, 1872-. New Frontiers of Physics. New York: D. Appleton and company, 1930.

Warning: These citations may not always be complete (especially for serials).