CALANCEA, Leonida, L. ORBAN, and Viorica PAUN. 1967. “Some Mathematic Functions Regarding the Optimum Humidity for Oats Grown on a Brown Podzolic Soil”. Notulae Botanicae Horti Agrobotanici Cluj-Napoca 3 (1):187-93. https://doi.org/10.15835/nbha31116.