Vol. 17, Issue 1, 1963January 01, 1963 PDT
ccby-nc-nd-4.0
The relation of pear psylla to pear decline … greenhouse tests
The relation of pear psylla to pear decline … greenhouse tests
D Jensen, W Erwin,
Jensen, D, and W Erwin. 1963. “The Relation of Pear Psylla to Pear Decline … Greenhouse Tests.” California Agriculture 17 (1): 2–4.