Citation

Gocker RH. Sch. Sci. Math. 1937; 37(5): 565-570.

Copyright

(Copyright © 1937, U.S. School Science and Mathematics Association, Publisher John Wiley and Sons)

DOI

10.1111/j.1949-8594.1937.tb11293.x

PMID

unavailable

Abstract

[Abstract unavailable]

Language: en