Citation Hunt

The Wikipedia snippet below is not backed by a reliable source. Can you find one?

Click I got this! to go to Wikipedia and fix the snippet, or Next! to see another one. Good luck!

In page Constance Endicott Hartt:

"

Hartt discovered the perfect sunlight/temperature to sugar ratio through radioactive isotopes. She was one of the firsts scientists to use this breakthrough method. These radioactive isotopes would trace the carbon dioxide that was found in the sugarcane until it was transformed into sugar.[citation needed] Hartt's work would go on to ultimately help the Hawaiian economy in sugar production.[citation needed]