D. Orr

Effects of Sheep Grazing Astrebla Grasslands in Central Western Queensland. Iii. Dynamics of Astrebla Spp. Under Grazing and Exclosure Between 1975 and 1986.

D. Orr, C. Evenson, 1991 .

Changes in the Quantitative Floristics in Some Astrebla spp. (Mitchell Grass) Communities in South-western Queensland in Relation to Trends in Seasonal Rainfall

D. Orr, 1981 .

The magnitude of reproductive wastage to lamb marking in 30 Merino flocks in south-west Queensland.

L. Dunlop, N. McMeniman, D. Orr, 1989, Australian veterinary journal.

Quantitative Floristic Studies of the Ground Layer in Some Mulga (Acacia aneura F. Muell.) And Mitchell Grass (Astrebla Spp.) Communities in South-Western Queensland

Br Roberts, D. Orr, T. Graham, 1976 .