John Bense:
Color Wheel Physiogram IIIb (Black)
John Bense:
Color Wheel Physiogram IIIa (White)
John Bense:
Color Wheel Physiogram IIa (Magenta)
John Bense:
Color Wheel Physiogram Ib (Blue)
John Bense:
Color Wheel Physiogram IIc (Cyan)
John Bense:
Color Wheel Physiogram Ic (Green)
John Bense:
Color Wheel Physiogram IIb (Yellow)
John Bense:
Color Wheel Physiogram Ia (Red)