TY  - RPRT
TI  - Continuity and change revisited.
AU  - M M Seltzer
PY  - 1992
DO  - 10.2190/er1c-5ymd-6dku-td00
UR  - https://pubmed.ncbi.nlm.nih.gov/1506118/
ID  - 1506118
ER  -