<http://aims.fao.org/aos/agrovoc/xDef_1a72298d> <http://www.w3.org/1999/02/22-rdf-syntax-ns#value> "Sand ripples are asymmetrical piles of relatively coarse, homogeneous, essentially structureless sand resting on a smooth platform of much finer, thinly bedded sand."@en .
<http://aims.fao.org/aos/agrovoc/xDef_1a72298d> <http://art.uniroma2.it/ontologies/vocbench#hasSource> "Sharp, Robert P. \"Wind Ripples.\" The Journal of Geology 71, no. 5 (1963): 617-36. Accessed June 8, 2021. http://www.jstor.org/stable/30061128." .
<http://aims.fao.org/aos/agrovoc/xDef_1a72298d> <http://purl.org/dc/terms/created> "2021-06-08T16:54:35"^^<http://www.w3.org/2001/XMLSchema#dateTime> .