共 45 条
- [1] STEROL DISTRIBUTION IN THE GENUS HETEROCAPSA (PYRRHOPHYTA) [J]. JOURNAL OF PHYCOLOGY, 1984, 20 (03) : 331 - 335
- [3] DELTA8(14)-STEROIDS IN BACTERIUM METHYLOCOCCUS-CAPSULATUS [J]. BIOCHEMICAL JOURNAL, 1976, 159 (02) : 267 - 271
- [4] BRASIER MD, 1979, MICROFOSSILS
- [6] BRASSELL SC, 1987, IN PRESS LACUSTRINE
- [9] Ensminger A., 1977, THESIS U L PASTEUR
- [10] FOWLER MG, 1987, ORG GEOCHEM, V141, P201