"Tyne valley." . . "landskabsplanlægning." . . "Pentes (Mécanique des sols)" . . "Reboisement." . . . . "Architecture du paysage." . . "Arbres Plantation." . . . . . . . . . . . . . . "Landscape development of steep slopes : a report with particular reference to the steep banks of the River Tyne"@en . . . "Landscape development of steep slopes: a report on research into problems of landscape stabilisation, establishment and development, with particular reference to the steep banks of the River Tyne" . . . . . . . "Landscape Development of Steep Slopes : a report on research into problems of landscape stabilisation, establishment and development, with particular reference to the steep banks of the River Tyne" . . . . "Landscape development of steep slopes : a report on research into problems of landscape stabilisation, establishment and development, with particular reference to the steep banks of the River Tyne" . . "Landscape development of steep slopes a report on research into problems of landscape stabilisation, establishment and development, with particular reference to the steep banks of the River Tyne"@en . . .