Even though important, input indicators like the unit production cost should not be seen as sole indicators of operational efficiency.

The magazine's category for "industry income - innovation" came from a sole indicator, institution's research income from industry scaled against the number of academic staff.

Grades alone are not the sole indicator of a successful completion of a course.

"A candidate's biography is hardly the sole indicator as to how people choose to vote," said Tracey Schmitt, a Republican National Committee spokeswoman.

According to the publicly stated ideology of the MEK, elections and public suffrage are the sole indicators of political legitimacy.

Thus, the researchers conclude by noting that the p53 mutation may not be the sole indicator of pancreatic carcinoma oncogenesis.

While each has its own advantage and peculiarity to deal with particular situations, there is no unanimous opinion amongst economists as to one sole indicator.

We might be mistaken in using the gross domestic product per inhabitant as the sole indicator.

It is not sensible to rely on mass as the sole indicator of restriction, and simply to ignore the issue of battery use.

It should however be noted, that in subsequent cases, the "control" test has largely been abandoned as a sole indicator of employment status.