TY - RPRT TI - Carbon isotope composition of ambient CO 2 and recycling: a matrix simulation model AU - Leonel da Silveira Lobo Sternberg AU - Donald L. DeAngelis PY - 2002 DO - 10.1016/s0304-3800(02)00055-8 UR - https://pubs.usgs.gov/publication/70161982 ID - 70161982 ER -