Science. 1962 Oct 12;138(3537):150-2. doi: 10.1126/science.138.3537.150.
The basic form of many coiled gastropod shells can be defined by four parameters. A digital computer with automatic plotting equipment can be used to make graphical reconstructions of a shell from any given values of the four parameters.
许多盘旋的腹足纲贝类的基本形式可以由四个参数来定义。具有自动绘图设备的数字计算机可以用来根据四个参数的任何给定值对贝壳进行图形重建。