[осы][1]
[тағы][2]
[Тағы][3]
[ммм][4]
[1]: http://referaty-v.kz/%D1%96%D0%BB%D0%B8%D1%8F%D1%81-%D0%B6%D0%B0%D0%BD%D1%81%D2%AF%D0%B3%D1%96%D1%80%D0%BE%D0%B2
[2]: http://bilim.idhost.kz/akin_zhazushi/51-liyas-zhansgrov.html
[3]: http://www.zox.kz/load/aza_debiet_t_l_alary/ilijas_zhans_girov/12-1-0-287
[4]: http://45minut.kz/?p=7193