.International Symposium on Remote Sensing of Enviroment (15th : 1981 : Ann Arbor, Mich.)：Proceedings of the ...．V.1.Enviromental Research Institute of Michigan,1983.
.International Symposium on Remote Sensing of Enviroment (16th : 1982 : Michigan)：Papers selected for prosentation at the International Symposium．V.2.s. n.,1982.
.International Symposium on Remote Sensing of Enviroment (15th : 1981 : Ann Arbor, Mich.)：Proceedings of the ...．V.2.Enviromental Research Institute of Michigan,1981?.
