Howard S. Reed/Frederick Ferdinand Halma: On the existence of a growth-inhibiting substance in the Chinese lemon. (University of California publications in agricultural sciences ; v. 4, no. 3., Berkeley: University of California Press 1919)
- Digitized:
> Biodiversity Heritage Library (DOI: http://dx.doi.org/10.5962/bhl.title.61396)
> Internet Archive (Book contributor and digitizing sponsor: University of California, Davis Libraries) - Entry in Wiener China-Bibliographie