They all serve their purpose, but are not always optimal.
https://www.ww2.site/forum/viewtopic.ph ... 37#p213637
http://horsecity.ru/phpBB3/viewtopic.php?f=8&t=255217
http://forum3.bandingklub.cz/viewtopic. ... &t=1579987
http://forum.bandingklub.cz/viewtopic.p ... &t=1376186
http://www.prepody.ru/topic85583.html
http://www.prepody.ru/topic38084.html
http://users.atw.hu/tunedthings/viewtop ... 718#381718
https://debate.socialism.nl/forum/showt ... tid=188283
http://www.prepody.ru/topic86221.html
http://1.s.2.free.fr/viewtopic.php?f=13&t=277868
https://debate.socialism.nl/forum/showt ... tid=264238
http://forum.bandingklub.cz/viewtopic.p ... &t=1336773
https://debate.socialism.nl/forum/showt ... tid=142795
https://debate.socialism.nl/forum/showt ... tid=192668
http://forum.spolokmedikovke.sk/viewtop ... &t=1066139
http://forum.spolokmedikovke.sk/viewtop ... 5#p3872955
http://www.lada-xray.net/showthread.php ... post228853
https://www.ww2.site/forum/viewtopic.php?t=115956
https://mmomakemoneyonline.net/threads/ ... ik.639228/
http://kiteonly12.free.fr/viewtopic.php?f=7&t=51283
http://forum3.bandingklub.cz/viewtopic. ... &t=1289127
http://bbs.xixiku.cloudns.ph/bbs/forum. ... 533&extra=