Comment on "High Pressure Adsorbate Structures Studied by Scanning Tunneling Microscopy: CO on Pt(111) in Equilibrium with the Gas Phase" Comment on "High Pressure Adsorbate Structures Studied by Scanning Tunneling Microscopy: CO on Pt(111) in Equilibrium with the Gas Phase" ========================================================================================================================================= by E. Kruse Vestergaard, P. Thostrup, T. An, E. Lægsgaard, I. Stensgaard, B. Hammer, and F. Besenbacher. Phys. Rev. Lett. **88**, 259601 (2002). Abstract -------- A Comment on the Letter by John A. Jensen et al., Phys. Rev. Lett. 80, 1228 (1998).