Trails for the twenty-first century : planning, design, and management manual for multi-use trails / edited by Karen Lee Ryan ; [authors] Charles A. Flink, Peter Lagerwey, Diana Balmori, and Robert M. Searns ; Rails-to-Trails Conservancy.
საგამომცემლო ცნობები
Washington, D.C. ; Covelo, California : Island Press, c1993.