http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Handbook of landscape architectural construction
Landscape Architecture Foundation (U.S.)
v. 2. Site works -- v. 3. Irrigation -- v. 4. Materials for landscape construction.
"Co-sponsored by the American Society of Landscape Architects and the Associated Landscape Contractors of America"--2nd prelim. p.
Volume 2-4, 1st edition, edited by Scott S. Weinberg and John Mack Roberts.