Complexities of nitrogen isotope biogeochemistry in plant-soil systems: implications for the study of ancient agricultural and animal management practicesPaul Szpak|Frontiers in Plant Science|2014Cited by 425
Fish bone chemistry and ultrastructure: implications for taphonomy and stable isotope analysisPaul Szpak|Journal of Archaeological Science|2011Cited by 290
Best practices for calibrating and reporting stable isotope measurements in archaeologyPaul Szpak, Rebecca Macdonald, Jessica Z. Metcalfe|Journal of Archaeological Science Reports|2017Cited by 273
Isotopic evidence for oligotrophication of terrestrial ecosystemsJoseph M. Craine, Katarzyna Zmudczyńska-Skarbek, Elizabeth Kearsley et al.|Nature Ecology & Evolution|2018Cited by 222
Influence of seabird guano and camelid dung fertilization on the nitrogen isotopic composition of field-grown maize (Zea mays)Paul Szpak, Fred J. Longstaffe, Jean‐François Millaire et al.|Journal of Archaeological Science|2012Cited by 185