@book{27020,
	author = {Vening Meinesz, F. A. and Netherlands.},
	title = {Gravity expeditions at sea,},
	publisher = {N. v. Technische boekhandel en Drukkerij J. Waltmas, Jr.,},
	year = {1932-},
	address = {Delft,},
	note = {At head of title: Publication of the Netherlands Geodetic Commission (Uitgegeven door de Rijkscommissie voor graadmeting en waterpassing)}
}