Low-decibel ultrasonic acoustic emissions are temperature-induced and probably have no biotic origin
Steppe K, Zeugin F & Zweifel R
Steppe, K., Zeugin, F., & Zweifel, R. (2009). Low-decibel ultrasonic acoustic emissions are temperature-induced and probably have no biotic origin. New Phytologist, 183(4), 928-931. https://doi.org/10.1111/j.1469-8137.2009.02976.x