The distribution of highly cited papers - which can identify those groups responsible for key discoveries.

Say, I have made a key discovery about the enemy.

"This was the key discovery from which everything else stems," he told me, recalling the moment as a breakthrough.

To ensure that key discoveries were shared among researchers.

After these two key discoveries, he managed to excavate the rest of the city without large obstructions.

Here are four of their key discoveries (besides the Pole) - and one thing that found them.

"This was the key discovery from which everything else stems," he said.

Therefore, it is a key discovery in medical and biological investigation.

Woods has made several key discoveries and his comprehensive bibliography on the subject doubles in size every decade.

From this followed the key discovery of what causes differences in tone color.