'Sowing the seeds' : direct seeding and natural regeneration conference / organised by Greening Australia. - Deakin, ACT : Greening Australia, c1990. - [ii], 194 p. : ill. At bottom of cover; "Conference proceedings". Bibliographical references included. LCCN: 92013145 Subjects--Topical Terms: Revegetation--Australia.Revegetation--Costs--Australia.