TY  - RPRT
TI  - Appendix 2. Reference ions for exact mass measurements.
AU  - R M Milberg
PY  - 1990
DO  - 10.1016/0076-6879(90)93457-v
UR  - https://pubmed.ncbi.nlm.nih.gov/2074848/
ID  - 2074848
ER  -