TY  - RPRT
TI  - Retrieval of silver cones using different techniques.
AU  - M Hülsmann
PY  - 1990
DO  - 10.1111/j.1365-2591.1990.tb00109.x
UR  - https://pubmed.ncbi.nlm.nih.gov/2098346/
ID  - 2098346
ER  -