TY  - RPRT
TI  - Polymorphisms for extra heterochromatin in Phaulacridium marginale.
AU  - M Westerman
AU  - P G Fontana
PY  - 1973
DO  - 10.1038/hdy.1973.77
UR  - https://pubmed.ncbi.nlm.nih.gov/4521376/
ID  - 4521376
ER  -