The basic version of the R-77 is not thought to have entered the Russian air force inventory in significant numbers.

Neither version is thought to be of folkloric origin.

Since then a new version is thought to have been released roughly every month.

However, the original version of the film, which was released in 1991, was thought to be overly violent.

The popular version known today is thought to have been formed from the 17th century onwards.

At one time, this version was incorrectly thought to have been designated "F-16U."

As a result, oral versions of these hormones were thought to have little value for estrogen replacement, so little research was done on them.

The National Gallery's own version, which it bought in 1880, is thought to be too delicate to travel.

Around 500 of the civilian version are thought to have been made, including a left-hand-drive version.

Both versions are thought to date from the period 1594-1596.