TY - JOUR AU - TI - Carbon 13 in Plants and the Relationships between Carbon 13 and Carbon 14 Variations in Nature JF - The Journal of Geology DO - 10.1086/626141 DA - 1954-03-01 UR - https://www.deepdyve.com/lp/crossref/carbon-13-in-plants-and-the-relationships-between-carbon-13-and-carbon-dVgnbY3YYW SP - 115 EP - 149 VL - 62 IS - 2 DP - DeepDyve ER -