TY - BOOK T1 - Schools Council Environmental Studies Project A2 - Harris, Melville LA - English PP - London PB - Schools Council Publ YR - 1972 UL - http://glotrec.wdi-staging.gei.de/cat/Record/gei63752280X SN - 0247544388 KW - Lehr- und Lernressource ER -