Select The Skull Beneath the Skin [electronic resource]1 worksThe Skull Beneath the Skin [electronic resource]
Select Sky and Telescope, Vol.58, No.4 : October, 19791 worksSky and Telescope, Vol.58, No.4 : October, 1979
Select Sky and Telescope, Vol 58, No.5 : November, 19791 worksSky and Telescope, Vol 58, No.5 : November, 1979