TY - JOUR PB - American Physical Society ID - 10.1103/Physics.4.70 TI - Surface nanobubbles or Knudsen bubbles? JF - Physics JA - Physics J1 - PHYSICS VL - 4 IS - SP - 70 EP - PY - 2011/09/06/ UR - http://link.aps.org/doi/10.1103/Physics.4.70 A1 - Craig, Vincent S. J. ER -