Lisle, R. J., & Leyshon,Peter R. (2004). Stereographic projection techniques for geologists and civil engineers (2nd ed.). Cambridge University.
Dyfyniad Arddull ChicagoLisle, Richard J., and Leyshon,Peter R. Stereographic Projection Techniques for Geologists and Civil Engineers. 2nd ed. Cambridge: Cambridge University, 2004.
Dyfyniad MLALisle, Richard J., and Leyshon,Peter R. Stereographic Projection Techniques for Geologists and Civil Engineers. 2nd ed. Cambridge University, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.