Lan 531 !!better!!
In the United States, of Title 47 (Telecommunications) is a cornerstone of cable television regulation. It governs how local "franchising authorities" can require cable operators to provide channels for public use.
If “LAN 531” refers to:
"Quantifying Landscape Structure: A Review of Landscape Metrics and Their Ecological Interpretations" Authors: Gustafson (1998) (Sometimes alternatively: Li & Reynolds, 1993 or Riitters et al., 1995 ) lan 531