@book{83096,
	author = {Siefert, Winfried and International Hydrological Programme},
	title = {On tides and storm surges theory, practice, instruments :},
	publisher = {IHP/OHP-Sekretariat,},
	year = {1987},
	series = {IHP/OHP-Berichte., Sonderheft ;},
	address = {Koblenz, [Germany] :}
}