1. Microbiological fractionation of stable sulfur isotopes: a review and critique;Chambers;Geomicrobiol. J.,1979
2. Carbon isotope fractionation by ribulose-1,5-bisphosphate carboxylase from various organisms;Estep;Plant Physiol.,1978
3. Subnanomole-range amino acid analysis;Hare,1977
4. Stable nitrogen isotope ratios as tracers of organic geochemical processes;Macko,1981
5. Stable nitrogen and carbon isotopic composition of individual amino acids isolated from cultured microorganisms;Macko;Carnegie Inst. Wash. Yearbook,1983