TY - BOOK T1 - Understanding our world A2 - Sale, Colin J. A2 - Wilson, Graeme A2 - Friedman, Ben LA - English PP - Melbourne PB - Longman Cheshire YR - 1988 ED - 1. publ. UL - http://glotrec.wdi-staging.gei.de/cat/Record/gei648830128 SN - 0582873762 KW - Schulbuch ER -