Scientific American Magazine September 1987 English Science Monthly Issue

Scientific American Magazine Aug 1987 English Monthly Science Technology Issue

Scientific American Magazine Oct 1987 English Computers Issue

Scientific American magazine bundle full year 1987 -see contents pics GC science

Scientific American Magazine Nov 1987 English Science Illustrated Pandas Biology

Scientific American Magazine July 1988 English Science Topic Science Issue

Scientific American Magazine Jan 1989 English Illustrated Science Issue

Scientific American Magazine Jul 1989 English Illustrated Science Issue