Blomqvist, S. and Lindström, Åke (1995) “The spring migration of Sanderling Calidris alba, Little Stint C. minuta and Curlew Sandpiper C. ferruginea in Sweden”, Ornis Svecica. Lund, Sweden, 5(2), pp. 55–67. doi: 10.34080/os.v5.23005.