A new surface tension balance /
by Richard J. De Gray.
APA Citation
De Gray, R. John. (1933). A new surface tension balance. Bethlehem, Pa.: Lehigh University.
MLA Citation
De Gray, Richard John, 1907-. A New Surface Tension Balance. Bethlehem, Pa.: Lehigh University, 1933.
Warning: These citations may not always be complete (especially for serials).