Rearing queen bees in Porto Rico
By: by R.H. Van Zwaluwenburg ... and Rafael Vidal
Contributors: Vidal, Rafael, joint author
Series: Circular -- no. 16; Circular (Puerto Rico Experiment Station) -- no. 16.
Publisher: Govt. Print. Off.
Published: 1918
Place of publication: Washington
Language: eng
Number of pages: 12
Subjects: Bees