523 U.S. 767 - New Jersey v. New YorkOpenJurist. 26.5.1998. ”Even as to terra nullius, like a volcanic island or territory abandoned by its former sovereign, a claimant by right as against all others has more to do than planting a flag or rearing a monument. Since the 19th century the most generous settled view has been that discovery accompanied by symbolic acts give no more than ’an inchoate title, an option, as against other states, to consolidate the first steps by proceeding to effective occupation within a reasonable time.’” Viitattu 7.8.2023. (englanniksi)