Flight and analytical methods for determining the coupled vibration response of tandem helicopters

Author:	Yeates, John E , Jr
Additional Authors:	Brooks, George W
Year:	1957
Document Type:	N/A
Series:	NACA Technical Reports
Report Number:	NACA-TR-1326
Link:	https://digital.library.unt.edu/ark:/67531/metadc60727/