Soil quality - Physical laboratory tests - Part 13: Determination of soil volume percentage, total pore volume and pore number of mineral soils— 5 стр.
Methods of soil investigations for agricultural water engineering - Physical laboratory tests - Part 14: Determination of volume of solids of bog soils— 3 стр.
Drainage - Control of sub-surface water management by draining with pipes and amelioration of the subsoil - Part 3: Construction and documentation— 12 стр.
Methods of soil investigations for agricultural water engineering - Physical laboratory tests - Part 14: Determination of volume of solids of bog soils— 3 стр.
Methods of soil investigations for agricultural water engineering; physical laboratory tests, determination of the subsidence of peat soils after drainage— 3 стр.
Methods of soil investigations for agricultural water engineering - Physical laboratory tests - Part 19: Determination of the subsidence of peat land after drainage— 4 стр.