{"Study":1,"Year":1954,"Author":"Howard","Outcome":"191Ir/193Ir","Value":0.5949,"Unc":0.0025,"k_extra":9}
{"Study":2,"Year":1991,"Author":"Creaser","Outcome":"191Ir/193Ir","Value":0.5948,"Unc":0.0001,"k_extra":9}
{"Study":3,"Year":1992,"Author":"Chang","Outcome":"191Ir/193Ir","Value":0.59399,"Unc":0.00103,"k_extra":6}
{"Study":4,"Year":1993,"Author":"Walczyk","Outcome":"191Ir/193Ir","Value":0.59418,"Unc":0.00037,"k_extra":9}
{"Study":5,"Year":2017,"Author":"Zhu","Outcome":"191Ir/193Ir","Value":0.5929,"Unc":0.00021,"k_extra":6}