TY  - BOOK
AU  - Maling,D.H.
TI  - Measurements from maps: principles and methods of cartometry 
SN  - 0080302904 :
U1  - 912/.01/48�19 
PY  - 1988///
CY  - Oxford, OX, England
PB  - Pergamon Press
KW  - Cartometry
KW  - Maps
KW  - Area measurement
ER  -