Journaux, André Integrated environmental cartography : a tool for research and land-use planning / by André Journaux. - París : UNESCO, 1987. - 53 p . : il., map. - MAB technical notes ; 2 . Prepared in co-operation with the International Geographical Union ISBN: 9231023470 No. de Clasificación Universal Decimal: 525: 528.9 =20 JOU No.16.