Humbert, F. L. (1968). Selection and wear of pebbles on gravel beaches.
Citación estilo ChicagoHumbert, Fekko Lucas. Selection and Wear of Pebbles on Gravel Beaches. [Groningen, 1968.
Cita MLAHumbert, Fekko Lucas. Selection and Wear of Pebbles on Gravel Beaches. 1968.
Warning: These citations may not always be 100% accurate.