@book{28094,
	author = {Coster, Hendrik Paulus.},
	title = {The gravity field of the western and central Mediterranean ... /},
	publisher = {J. B. Wolters' uitgevers-maatschappij n.v.,},
	year = {1945.},
	address = {Groningen-Batavia,},
	note = {Proefschrift--Utrecht.}
}