1. Fern constituents: Pentacyclic triterpenoids isolated from Polypodium Miponicum and P;Ageta;Formosanum. Phytochem.,1983
2. Triterpenoids;Beaton,1955
3. The lipids of deep sea sediments: their origin and fate in the Japan trench;Brassell,1980
4. Steroids and triterpenoids in deep sea sediments as environmental and diagenetic indicators;Brassell,1983
5. Preliminary lipid analyses of two Quaternary sediments from the Middle America Trench, Southern Mexico Transect, Deep Sea Drilling Project Leg 66;Brassell,1981