Lower Cambrian Carbon Isotope Evidence of Photosynthesis from Krol-Tal Carbonates of the Lesser Himalaya and Global Stratification in Early Cambrian Oceans

V. C. Tewari
1998 Mineralogical magazine  
doi:10.1180/minmag.1998.62a.3.124 fatcat:vuanvhatl5hddp6wkdjl2fyfoa