TY - JOUR PB - Australian Road Research Board] TI - Changes to the 1985 IRRD thesaurus KW - Subject headings -- Highway research -- Periodicals. KW - Information storage and retrieval systems -- Highway research -- Code numbers -- Periodicals. KW - Information storage and retrieval systems -- Highway research -- Code words -- Periodicals. A2 - Australian Road Research Board. Library CY - [Vermont South N1 - Caption title. N1 - Description based on: 1990. N1 - Subtitle varies. N1 - [Produced by the ARRB Library] PY - Vic. : M1 - Accessed from https://nla.gov.au/nla.cat-vn1416121 ER -