1. J.R.L. Allen(1968 ) Current Ripples , 433 pp.North-Holland, Amsterdam.
2. J.R.L. Allen(1970 ) Physical Processes of Sedimentation , 248 pp.American Eisevier, New York.
3. The Avalanching of Granular Solids on Dune and Similar Slopes
4. INTENSITY OF DEPOSITION FROM AVALANCHES AND THE LOOSE PACKING OF AVALANCHE DEPOSITS