TY - RPRT TI - Experiments on the Motion of Drops on a Horizontal Solid Surface due to a Wettability Gradient AU - Moumen, Nadjoua AU - Subramanian, R, Shankar AU - MLaughlin, john B. PY - 2006 UR - https://ntrs.nasa.gov/citations/20070011449 ID - 20070011449 ER -