Gilbert Wittlin

Experimental Program for the Development of Improved Helicopter Structural Crashworthiness Analytical and Design Techniques. Volume 1. Computerized Unsymmetrical Mathematical Simulation and Experimental Verification for Helicopter Crashworthiness in which Multidirectional Impact Forces are Present

Gilbert Wittlin, Max A. Gamon, G. Wittlin, 1973 .

Experimental Program for the Development of Improved Helicopter Structural Crashworthiness Analytical and Design Techniques. Volume 2. Test Data and Description of an Unsymmetrical Crash Analysis Computer Program, Including a User's Guide and Sample Case

Gilbert Wittlin, Max A. Gamon, 1973 .