Discussion: "Hyperhemispherical Viewports for Undersea Applications" (Stachiw, J. D., 1979, ASME J. Eng. Ind., 101, pp. 369–375)

J. L. Atkerson
1979 Journal of Engineering for Industry  
doi:10.1115/1.3439521 fatcat:jqovkodolrhntmjolafdrh5xwy