Polyhedron 1987-03 #34
Polyhedron
Polyhedron 1985-03 #23
Polyhedron 1985-01 #22
Polyhedron 1987-01 #33
Polyhedron 1984-09 #20
Polyhedron 1984-07 #19
Polyhedron 1984-05 #18
Polyhedron 1985-05 #24
Polyhedron 1983-11 #15
Polyhedron 1983-09 #14
Polyhedron 1983-07 #13
Polyhedron 1983-03 #11
Polyhedron 1983-01 #10
Polyhedron 1982-11 #09
Polyhedron 1982-09 #08
Polyhedron 1982-07 #07
Polyhedron 1982-03 #05
Polyhedron 1982-01 #04
Polyhedron 1981-Winter #03
Polyhedron 1981-Autumn #02