$1!Os!7e!<u!OP!^Us - Cho, Yong-gi; $1!0|!IL!D$s; $1!ZO#FV!8<s ($1!58!4I(B:s $1!Yl!7s!G*!0d!04!7o!:`!7q!2F!\6!CZ!3K!JH!Na(B,s, 1969)
The fourth dimension
Keywords: Cho, Yong-gi, 1936-.; Christian life