1. Churchill , P.
Attema , E.
Baker , J ,
Blyth , K.
Bird , P.
Bouman , S.
Uenk , D.
Vissers , M.
Droesen , W.
Guyon , D.
Riom , J.
Hoekman , D.
van Leeuwen , H.
van der Sanden , J.
Kobrik , M.
Shen , Y.
Caranade , R.
Kuntz , S.
Le Toan , T.
Beaudoin , A.
Mitchell , P.
Wielogorski , A. , and
Wooding , M. , 1990 , MAESTRO 1 airborne synthetic aperture radar (SAR) campaign 1989 , Data report, JRC/Ispra and ESA , June 1990 (Ispra, Italy: Joint Research Centre, Institute for Remote Sensing Applications) , 198 pp.
2. Helicopter-borne measurements of radar backscatter from forests