Polyhedron 1987-07 #36
Polyhedron
Polyhedron 1987-05 #35
Polyhedron 1987-03 #34
Polyhedron 1987-01 #33
Polyhedron 1986-10 #32
Polyhedron 1986-08 #31
Polyhedron 1986-04 #29
Polyhedron 1986-02 #28
Polyhedron 1985-11 #27
Polyhedron 1985-07 #25
Polyhedron 1985-05 #24
Polyhedron 1985-03 #23
Polyhedron 1985-01 #22
Polyhedron 1984-11 #21
Polyhedron 1984-09 #20
Polyhedron 1984-07 #19
Polyhedron 1984-05 #18
Polyhedron 1984-01 #16
Polyhedron 1983-11 #15
Polyhedron 1983-09 #14