Sax, K. & Beal, J. M. 1934: Chromosomes of the Cycadales. – Journal of the Arnold Arboretum 15: 255-258

Title	Chromosomes of the Cycadales
Authorship	Sax, K. & Beal, J. M.
Date published	1934
Volume	15
In journal	Journal of the Arnold Arboretum
Pages	255-258