$1'CI!0s!G*'2>!UN!1?'\O'XL(B. $1!Os!0!!30s - $1!0&!GW!<D'CI!0s!G*'2>!UN!1?'\O'XL'Q['[M'Q+'Q[s ($1!0&!GW!0d!FM!3K!JH!Nas, 1975)
Keywords: $1!2t!O,!6<':`(B--$1!G*'2>s