TY - RPRT TI - Flow visualization studies of VTOL aircraft models during Hover in ground effect AU - Mourtos, Nikos J. AU - Couillaud, Stephane AU - Carter, Dale AU - Hange, Craig AU - Wardwell, Doug AU - Margason, Richard J. PY - 1995 UR - https://ntrs.nasa.gov/citations/19950016249 ID - 19950016249 ER -