author = { Sergeev, V. N. AND Semikhatov, M. A. AND Fedonkin, M. A. AND Veis, A. F. AND Vorob’eva, N. G. },

title = { Principal stages in evolution of Precambrian organic world: Communication 1. Archean and Early Proterozoic },

publisher = {Pleiades Publishing Ltd},

isbn = {0869-5938},

isbn = {1555-6263},

keywords = { Paleontology , Stratigraphy , Geology },

year = {2007},

url = { http://slubdd.de/katalog?TN_libero_mab2 }