NLL rapport W.7 d.d. 5-4-1961. Tunnelwall corrections for a wing-flap system between two parallel walls. NLR rapport W.8 d.d. 15-10-1961. Two-dimensional tunnelwall corrections for a wing with a blown flap between two parallel walls. NLR Verslagen en verhandelingen XXX - 1965. TR W.7. Tunnel wall corrections for a wing-flap system between two parallel walls. NLR Verslagen en verhandelingen XXX - 1965. TR W.8. Two-dimensional tunnel wall corrections for a wing with a blown flap between two parallel walls.