The following copyright statement is published in every issue of PE&RS and applies to both printed and electronic copies of the Journal.
Copyright by the American Society for Photogrammetry and Remote Sensing. Reproduction of this issue or any part thereof (except short quotations for use in preparing technical and scientific papers) may be made only after obtaining the specific approval of the Managing Editor. The Society is not responsible for any statements made or opinions expressed in technical papers, advertisements, or other portions of this publication. Printed in the United States of America.