Lihat Juga

• Notes on the Plane Unicursal Quartic
  oleh: Roberts, R. A.
  Terbitan: (1884)
• On the Projective Geometry of a Binary Quartic and its Hessian
  oleh: Elliott, E. B.
  Terbitan: (1907)
• On Polygons circumscribed about a Tricuspidal Quartic
  oleh: Roberts, R. A.
  Terbitan: (1882)
• On certain Concomitants of Systems of Conies and Quadrics, and on the Calculation of the Covariant S of the Ternary Quartic
  oleh: Johnson, A. R.
  Terbitan: (1889)
• On certain Quartic Curves of the Fourth Class and the Porism of the Inscribed and Circumscribed Polygon
  oleh: Roberts, R. A.
  Terbitan: (1891)