Complex sentence: It was later discovered that Mayer's work at Los Alamos in Teller's group, published in 1947, had made similar calculations and many sources now call the model the Mayer-Goody model or the Mayer-Goody statistical model.
Split into simpler sentences: It was later discovered that Mayer's work at Los Alamos, which was published in 1947, had made similar calculations. Many sources therefore now call the model the Mayer-Goody model or the Mayer-Goody statistical model.