.245
a	Comparison of measured and predicted noise of the brite-Euram Snaap advanced propellers.
h	Book
.100
a	Schulten J.B.H.M.
.005
a	00000000000000
.260
a	Amsterdam: National Aerospace Laboratory NLR, 1997.
b
c	2000
.084
a	NLR Per
.300
a	15 hlm.
b	gamb., 29 cm.
c	15 hlm.; gamb., 29 cm.
.490
a	Nationaal Lucht-en Ruimtevaartlaboratorium; NLR TP
.336
a	Book