Verbatim text: Fey, B. S. and P. K. Endress. 1983. Development and morphological interpretation of the cupule in Fagaceae. Flora 173: 451-468.
Author: Fey, B.S., Endress, P.K.
Year: 1983
Title: Development and morphological interpretation of the cupule in Fagaceae
Journal: Flora
Volume: 173
Pages: 451–468