[1] perldelta - search.cpan.org ( ( 版)) http://search.cpan.org/~rjbs/perl-5.20.0/pod/perldelta.pod#Better_64-bit_support
[10] Perl - $array["inf"] など - Qiita ( ( 版)) http://qiita.com/wakaba@github/items/9f34a4c49fee00529911
[11] Perl - 配列の inf 番目の要素は? - Qiita ( ( 版)) http://qiita.com/wakaba@github/items/a330a18331f24de83147
[12] Perl - 読み取り専用配列 - Qiita ( ( 版)) http://qiita.com/wakaba@github/items/5c366b55c3811b1c8fe7
[13] Perl - 配列の添字がでかいとき - Qiita ( ( 版)) http://qiita.com/wakaba@github/items/f479744bed8633338fb5