If they have not yet stumbled on a culprit, he and his colleagues have produced what they consider promising leads.
Ms. Stewart, 24, said she and several colleagues did not produce the song to make light of the situation.
In test plots of canola, Dr. Minor and his colleagues have produced about 42 bushels.
"I want to make sure our young colleagues are not literally producing something that is merely nonsense upon stilts."
So far, he and his colleagues have produced four pregnancies, but all four women had miscarriages.
Phillips and colleagues produced important publications in 1940.
Does all this new-found attention somehow vindicate what she and her colleagues produced?
Alexander and his colleagues produced more than 250 newsreels, which were released under the title All-American News.
But other colleagues have also produced good proposals.
My colleague, Mr Iversen, has produced an excellent report on the latter.