New directions in biological control : alternatives for suppressing agicultural pests and diseases : proceedings of a UCLA colloquium, held at Frisco, Colorado, January 20-27, 1989 /
UCLA Colloquium(1989 :Frisco, Colo.)
Baker, Ralph R.
Dunn, Peter E.
New York : A.R. Liss,
c1990.
Includes bibliographical references.
Agricultural pests