On the use of digitized map sampling and measurement
Subtitle: an example in crop ecology.
Published: 1969
Place of publication: [University Park, Pa.]
Language: eng
Number of pages: 179
Subjects: Maps, Statistical; Distances -- Measurement; Electronic data processing -- Cartography
Other titles: Digitized map sampling and measurement
Notes: Thesis - Pennsylvania State University.

Photocopy.  Ann Arbor, Mich., University Microfilm, Inc., 1973.

Includes bibliographical references.