TY  - RPRT
TI  - [Fine structure of the developing down feather].
AU  - C W KISCHER
PY  - 1963
DO  - 10.1016/s0022-5320(63)90009-1
UR  - https://pubmed.ncbi.nlm.nih.gov/14041699/
ID  - 14041699
ER  -