An additional note on the stratigraphy of the Barnfield deposits by A : T.M. Marston, December 1937.

von Marston, Alvan T.
Veröffentlicht in Excavations at Barnfield Pit, Swanscombe, 1968-72.
London : The Trustees of the British Museum, 1996.
Umfang/Format: 247-254.