TY  - RPRT
TI  - [Role and function requirements in group leadership and its problems].
AU  - R Hechenberger
AU  - C Montwill
AU  - E Vogel-Stirnberg
AU  - C Wallrapp
PY  - 1980
UR  - https://pubmed.ncbi.nlm.nih.gov/6767124/
ID  - 6767124
ER  -