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2. First integrals of the static equations and compatibility equations in equilibrium problems for a rectilinear helicoid;Cherni,1969
3. Circumferentially sinusoidal stress and strain distributions in helicoidal shells;Mallett;Ph.D. Thesis, M.I.T.,1970
4. Spirally sinusoidal stress distributions in elastic helicoidal shells;Mallett;J. Appl. Math. & Phys. (ZAMP),1971
5. Pure bending of pretwisted rectangular plates;Maunder;J. Mech. Phys. Solids,1957