TY - BOOK T1 - Data book of world lake environments : a survey of the state of world lakes LA - English PP - Otsu, Japan PB - United Nations Environment Programme : YR - 1987 UL - http://vufind10-pruebas.sigbunlp.bibliotecas.unlp.edu.ar/Record/dfi.16565 CN - GB1603.2 .D38 1987 KW - LAGOS KW - ECOLOGIA DE LAGOS ER -