Gaya APA
Gray, Donald H.. (2011).
Biotechnical stabilization of steepened slopes .
:
IRE.
Gaya Chicago
Gray, Donald H..
Biotechnical stabilization of steepened slopes.
:
IRE,
2011.
Computer Software.
Gaya MLA
Gray, Donald H..
Biotechnical stabilization of steepened slopes.
:
IRE,
2011.
Computer Software.
Gaya Turabian
Gray, Donald H..
Biotechnical stabilization of steepened slopes.
:
IRE,
2011.
Computer Software.