TY  - RPRT
TI  - Different ways to make a head.
AU  - U Schmidt-Ott
PY  - 2001
DO  - 10.1002/1521-1878(200101)23:1<8::aid-bies1002>3.0.co;2-y
UR  - https://pubmed.ncbi.nlm.nih.gov/11135304/
ID  - 11135304
ER  -