Charts for calculation of the critical stress for local instability of columns with I-, Z-, channel and rectangular-tube section

Author:	Kroll, W. D.
Additional Authors:	Fisher, Gordon P.
Year:	1943
Document Type:	N/A
Series:	NACA Wartime Reports
Report Number:	NACA-WR-L-429, NACA-ARR-3K04
Link:	https://digital.library.unt.edu/ark:/67531/metadc62206/