[1] (1) 盛国英等，1987，中国科学B辑，第4期，423-428页

(2) 李任伟等，1988,沉积学报，第4期，108-119页

(3) Didyk B.M. et al., 1978, Nature. V.272, p.216-222

(4) Goossens H. et al., 1984. Nature. V.312, p.440-442.

(5) Grimalt J. and Algaiges J., 1987. Geochim.Cosmoch}m..Acta. V.51，p.1379-1384.

(6) Jiang Z.S. and Fowler M.G.. 1986, Org.Geochem.V.10: p.831-839.

(7) Nishimura M.and Baker E.M., 1986, Geochim.Cosmochim.Acta, V.50, p.299-305

(8) Damste S. et al., 1987, Geochim.Cosmochim.Acta, V.51, p.2393-2400.

(9) Watts C.D. et al., 1977, Adv.Org.Geochem.l975, p.391-414.