@COMMENT { BibTex package created from National Library of Australia Catalogue https://catalogue.nla.gov.au } @Misc{ nla.cat-vn3071223, author = { Telstra Corporation. }, title = { Telstra mobile digital coverage. April 2003, Issue 13, Western Australia GSM [cartographic material] / Telstra }, publisher = { Telstra [Melbourne] }, pages = { 2 maps on 1 sheet : }, year = { 2003 }, type = { Map }, language = { English }, subjects = { Global system for mobile communications -- Western Australia -- Maps.; Western Australia -- Maps. }, life-dates = { 2003 - }, catalogue-url = { https://nla.gov.au/nla.cat-vn3071223 }, }