TY  - RPRT
TI  - Density equalized map projections: a method for analysing clustering around a fixed point.
AU  - J Schulman
AU  - S Selvin
AU  - D W Merrill
PY  - 1988
DO  - 10.1002/sim.4780070406
UR  - https://pubmed.ncbi.nlm.nih.gov/3368676/
ID  - 3368676
ER  -