Cross-section of Aperture/Orifice | 2010 Cross-Section of Curve | 2016 Cross-section of Imago | 2006 Cross-Section of Neuron OVOID / O void | 2003 Cross-section of Arc | 1999 Cross Section of Portal Geode | 1996 Cross-section of Current | 1996 Subterrene | 1994 Cross-section of Labyrinth 1993 Cross section of Substrata 1991 Cross-sections of Passage 1984 - 1990 Steppe | 1981 - 1982
