Improved quality control criteria for stable carbon and nitrogen isotope measurements of ancient bone collagenEric Guiry, Paul Szpak|Journal of Archaeological Science|2021Cited by 160
Quality control for modern bone collagen stable carbon and nitrogen isotope measurementsEric Guiry, Paul Szpak|Methods in Ecology and Evolution|2020Cited by 91
Effects of lipid extraction and ultrafiltration on stable carbon and nitrogen isotopic compositions of fish bone collagenEric Guiry, Michael P. Richards, Paul Szpak|Rapid Communications in Mass Spectrometry|2016Cited by 74