@inbook {1435, title = {Major events in the geological development of the Precambrian Earth}, booktitle = {The Proterozoic Biosphere}, year = {1992}, note = {id: 1584}, month = {1992}, pages = {67-76}, publisher = {Cambridge University Press}, organization = {Cambridge University Press}, author = {Lowe, D. R.}, editor = {Schopf, J. W.} }