This study highlights the importance of Australian scientific journals to overall serial usage in a variety of disciplines in an Australian university library. Examination of Journal Citation Reports demonstrates that there is a high degree of cross-citation between major Australian science journals. It is deemed inappropriate for Australian academic libraries to base serial selection decisions on the Cited by Leading Journal (CBLJ) approach, as this fails to lead to the selection of high-use Australian serials. The authors suggest that Australian university libraries would be better served by basing selection decisions on a combined CBLAJ (Cited by Leading Australian Journal) and CBLJ strategy, given the high use of Australian scientific journals in Australian university libraries, the low ranking of Australian serials by the leading journal in each discipline and the high degree of cross-citation between major Australian science serials. Keywords serial selection, serial deselection, collection development, Cited by Leading Journal.