A similar entry appears in the Wheel of Time Companion confirming the information available in the main story arc.
Author: Kyria d'Oreyn
Astrelle argues with Tesan about the propositional increase of food spoilage. She names Radun's Standard of Deviation as proof for her statements. She claims Covanen's First Rule of Medians has not been proven yet.
(References: Knife of Dreams, Prologue)