[Use of the stable isotopes in life science (X). Mass spectrometry for the 15N and 13C determinations of marine samples--precision isotope ratio measurements].
D000818:Animals; D002247:Carbon Isotopes / Q000032:analysis*; D008386:Marine Biology; D013058:Mass Spectrometry / Q000295:instrumentation / Q000379:methods*; D009587:Nitrogen Isotopes / Q000032:analysis*; D010933:Plankton / Q000032:analysis*
D002247:Carbon Isotopes; D009587:Nitrogen Isotopes