There's nothing new in biological control
Insect pests, Biological control agents, Ord River region (W.A.), Western Australia
First Page Number
Sproul, A N.
"There's nothing new in biological control,"
Journal of the Department of Agriculture, Western Australia, Series 4: Vol. 22
, Article 2.
Available at: https://researchlibrary.agric.wa.gov.au/journal_agriculture4/vol22/iss2/2