Citation: W. Ritchie et G. Whittington, NONSYNCHRONOUS AEOLIAN SAND MOVEMENTS IN THE UISTS - THE EVIDENCE OF THE INTERTIDAL ORGANIC AND SAND DEPOSITS AT CLADACH-MOR, NORTH-UIST, Scottish Geographical Magazine, 110(1), 1994, pp. 40-46
Citation: W. Ritchie, ENVIRONMENTAL IMPACTS OF THE BRAER OIL-SPILL AND DEVELOPMENT OF A STRATEGY FOR THE MONITORING OF CHANGE AND RECOVERY, Marine policy, 17(5), 1993, pp. 434-440
Citation: W. Ritchie, THE SHORT-TERM IMPACT OF THE BRAER OIL-SPILL IN SHETLAND AND THE SIGNIFICANCE OF COASTAL GEOMORPHOLOGY, Scottish Geographical Magazine, 109(1), 1993, pp. 50-56