@COMMENT { BibTex package created from National Library of Australia Catalogue http://catalogue.nla.gov.au } @Book{ nla.cat-vn1579634, author = { Armstrong, Patrick, }, title = { Understanding rocks, minerals & fossils / Patrick Armstrong }, isbn = { 0727013513 }, publisher = { Rigby [Adelaide] }, pages = { 64 p. : }, year = { 1981 }, type = { Book }, language = { English }, subjects = { Rocks. }, life-dates = { 1981 - }, catalogue-url = { http://nla.gov.au/nla.cat-vn1579634 }, }