Accuracy of vertical datum surfaces in coastal and offshore zones Iliffe, J. C. ; Ziebart, M. K. ; Turner, J. F. ; Talbot, A. J. ; Lessnoff, A. P. Abstract Publication: Survey Review Pub Date: July 2013 DOI: 10.1179/1752270613Y.0000000040 Bibcode: 2013SurRv..45..254I