Biological control of ash whitefly: a success in progress oleh Tom Bellows, Timothy Paine, Juli R. Gould, Larry G. Bezark, Joe C. Ball, Walt Bentley, Richard Coviello, Jim Downer, Pam Elam, Don Flaherty, Patty Gouveia, Carl Koehler, Richard Molinar, Neil O'Connell, Ed Perry, Greg Vogel