TY  - BOOK
AU  - Maling, D.H.
TI  - Measurements from maps: principles and methods of cartometry 
SN  - 0080302904
PY  - 1989///
CY  - Oxford
PB  - Pergamon Press
KW  - Cartometry
N1  - Includes bibliographical references: (p. 552-564) and index
ER  -