Brasier, M., Green, O., Lindsay, J., & Steele, A. (2004). Earth's oldest (approximately 3.5 Ga) fossils and the 'Early Eden hypothesis': Questioning the evidence.

Brasier, M., O. Green, J. Lindsay, and A. Steele. Earth's Oldest (approximately 3.5 Ga) Fossils and the 'Early Eden Hypothesis': Questioning the Evidence. 2004.

Brasier, M., et al. Earth's Oldest (approximately 3.5 Ga) Fossils and the 'Early Eden Hypothesis': Questioning the Evidence. 2004.