$1!BX!4H!6<':`s - Schweitzer, Albert; $1!^s'JE'Yh!JYi!&!Bi'`,'I!'_#'I!'Kgs ($1!0&!GW (B: s $1!0&!GW!0d!FM!3K!JH!Na(B,s, 2013)
Keywords: Civilization -- Philosophy.Culture -- Philosophy