1
by Sikorsky,Robert
Published 1990
2
Published 1976
3
Published 1994
4
5
6
by Wylie, C. Ray
Published 1995
7
Published 1994
8
by Holden, Ray
Published 1991
9
by Douglas, John F.
Published 1996
10
by Narula, G.K.
Published 1988
11
12
13
14
by Wright, Paul H.
Published 2002
15
by Earle, James H.
Published 2001
16
by Young, Paul H.
Published 1999
17
by Earle, James H.
Published 2001
18
by Board of engineers Malaysia
Published 2002
19
by Mueller, Scott
Published 2003
20
by Hibbeler, R. C.
Published 2001