TY - BOOK AU - Riedl, O. AU - Zachar, D. TI - Forest amelioration SN - 0444996133 U1 - 634.911 21st ed. PY - 1984/// CY - Amsterdam PB - Elsevier KW - Forest drainage KW - Forest hydrology KW - Forest influences KW - Forest protection KW - Forestry engineering KW - Soil conservation KW - Watershed management N1 - 612-23 includes index ER -