Vollmer, Ernst. Encyclopaedia of hydraulics, soil and doundation engineering - Amsterdam : Elsevier, 1967 - 398 p. : ilus. LCCN: 50830 Subjects--Topical Terms: HidrĂ¡ulica--Diccionarios.Suelos--Diccionarios. Dewey Class. No.: 631.403 / V6