We know that magazines like this don't change public opinion by themselves.

Due to falling sales during the late 1970s, the magazine changed to a small format in 1981.

In the October 2006 issue the magazine changed its style and logo.

During the 1970s and 1980s, the magazine changed to take on more of an academic Marxist flavor.

After November 1963, there were only four issues a year, and the magazine changed its issue dates to the current season rather than a month.

The magazine has changed a great deal over the years, both in content and in form.

At the same time the magazine changed profile towards more culture issues.

Version 2 of the logo appeared in issue 32 when the magazine changed to monthly.

In October 2008, the magazine reduced its staff by 20 percent, and changed to publishing only 10 times per year.

However, five months later the magazine changed its frequency again, becoming monthly.