TY  - BOOK
AU  - Halverson,Howard G.
AU  - Mawson,Joseph C.
AU  - Payne,Brian R.
TI  - A computer program to map tree crown shadows in the urban forest
U1  -  333.750973 
PY  - 1980///
CY  - Washington, D. C.
PB  - United States Government Printing Office
KW  - Forests and forestry
KW  - United States
KW  - Forest ecology
ER  -