1. Publication DBM-1-23, Joint Committee on Powder Diffraction Standards;Berry,1974
2. A comparison of high resolution GC-MS and selected metastable ion monitoring of polycyclic steranes and triterpanes;Brooks;Org. Geochem.,1984
3. Molecular geochemical indicators in sediments;Brassell,1986
4. The use of lipids as facies indicators;Comet,1987
5. Geochemical habitat of North Sea oils and gases;Cornford,1986