13C labelled cholestane as internal standard for quantification of steranes in crude oils and sediments
- H.P. Nytoft
- , D.P. Synnott
- , A. Rudra
- , M. Romero del Castillo
- , X. Zheng
- , J.E. Johansen
- , H. Liu
Publikation: Bidrag til bog/rapport/konferenceproceedings › Abstract i proceedings