Workshop on Biological Control of Heliothis spp. : 23-25 September, 1980, Dept. of Primary Industries, Toowoomba, Queensland. Workshop on Biological Control of Heliothis spp., (1980 : Toowoomba, Qld.) Queensland. Department of Primary Industries. Moths Biological control Queensland. Heliothis Biological control Queensland. 632.96 WOB Cover title. Includes bibliographical references. [Toowoomba, Qld.] : [Dept. of Primary Industries], [1980]. [1980]. 1980 Text iv, 125 p. : eng Queensland. Queensland.