Circular series /
University of Illinois, Engineering Experiment Station.
APA Citation
University of Illinois (Urbana-Champaign campus). Engineering Experiment Station. (19391952). Circular series. Urbana, Ill.: The University.
MLA Citation
University of Illinois (Urbana-Champaign campus). Engineering Experiment Station. Circular Series. Urbana, Ill.: The University, 19391952.
Warning: These citations may not always be complete (especially for serials).