Project cyclone: solution of a flutter problem. U.S. Navy Bureau of Aeronautics contract no as 54-545-C.

Mode of access: Internet.

Investigation of helicopter rotor blade flutter and flapwise bending response in hovering

"Propulsion Laboratory, Contract no. AF33(616)-5210, Project no. 3137, Task no. 33113."

Bibliographical review of panel flutter and effects of aerodynamic noise

"Materials Laboratory, Contract no. AF 33(616)-5426, Project no. 7360."

Examples of Intra-Atrial Defects

Carbon dust drawing on Ross Stipple Board #00; Dr. Herbert E. Sloan, University of Michigan Department of Thoracic Surgery