Isotopic evidence on human bone for declining maize consumption during the little ice age in central western Argentina

PAST: PALEONTOLOGICAL STATISTICAL SOFTWARE PACKAGE FOR EDUCATION AND DATA ANALYSIS

Øyvind Hammer, David A. T. Harper, Paul D. Ryan · Palaeontologia Electronica · 2001 · 18K citations · Full text

Multivariate Statistics, Paleoenvironmental Reconstruction, Palaeo-environmental Reconstruction +10

Carbon Isotope Discrimination and Photosynthesis

Graham D. Farquhar, James R. Ehleringer, Kerry T. Hubick · Annual Review of Plant Physiology and Plant Molecular Biology · 1989 · 6.7K citations

Engineering, Photorespiration, Photosynthetic Metabolism +18

Nitrogen and carbon isotopic composition of bone collagen from marine and terrestrial animals

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Animal Physiology, Axial Skeleton, Bioarchaeology +8

Preparation and characterization of bone and tooth collagen for isotopic analysis

Stanley H. Ambrose · Journal of Archaeological Science · 1990 · 1.8K citations

Bone Imaging, Isotopic Analysis, Dental Biomechanics +6

Collagen turnover in the adult femoral mid‐shaft: Modeled from anthropogenic radiocarbon tracer measurements

R.E.M. Hedges, John G. Clement, C. David L. Thomas et al. · American Journal of Physical Anthropology · 2007 · 925 citations