International Symposium on Remote Sensing of Environment San Jose, Costa Rica, Environmental Research Institute of Michigan, & Instituto Geografico Nacional (Costa Rica). (1980). Proceedings of the Fourteenth International Symposium on Remote Sensing of Environment, 23-30 April, 1980, San Jose, Costa Rica. Environmental Research Institute of Michigan.
Chicago-referens (17:e uppl.)International Symposium on Remote Sensing of Environment San Jose, Costa Rica, Environmental Research Institute of Michigan, och Instituto Geografico Nacional (Costa Rica). Proceedings of the Fourteenth International Symposium on Remote Sensing of Environment, 23-30 April, 1980, San Jose, Costa Rica. Ann Arbor, Michigan: Environmental Research Institute of Michigan, 1980.
MLA-referens (9:e uppl.)International Symposium on Remote Sensing of Environment San Jose, Costa Rica, et al. Proceedings of the Fourteenth International Symposium on Remote Sensing of Environment, 23-30 April, 1980, San Jose, Costa Rica. Environmental Research Institute of Michigan, 1980.