$1!2A!3K!M"!9B!>4 (B: s $1!>r!W;!M"!@)!A~ (B/ s - CowanC; KinderM; $1!Fw!F]!K>s ($1!T+!4I!<D (B: s $1!\D!G;(B, s, 1985)
$1!^u!]t(B:$1!>w!>[!M"!=x!KH!H0!aM(B:$1'b^(B199-207s
$1!^u!]t(B:$1!>w!>[![v!?\!O5!<u!H0!aM(B:$1'b^(B208-210s
$1!^u!]t(B:$1!_Y!X%!HX!ZT!H0!aM(B:$1'b^(B211-218s