RT Book, Whole SR Electronic A1 RD Barker A1 RD Barker A1 WJM Vestjens T1 The Food of Australian Birds 2. Passerines YR 1990 SN 978-0-643-10256-9 DO 10.1071/9780643101012 OP 558 UL https://ebooks.publish.csiro.au/content/9780643101012/9780643101012