TY  - RPRT
TI  - The cluster phenomenon: an unspecific feature?
AU  - O Sjaastad
AU  - D de Souza Carvalho
AU  - Y D Fragoso
PY  - 1988
DO  - 10.1046/j.1468-2982.1988.0802061.x
UR  - https://pubmed.ncbi.nlm.nih.gov/3401917/
ID  - 3401917
ER  -