Aliens — Refugees — Refugee status — Grant of refugee status by party to Geneva Convention Relating to the Status of Refugees, 1951, and Protocol, 1967 — Whether decision binding on other parties to Convention — Hungarian national awarded refugee status by Sweden — Subsequent application for refugee status in the Netherlands — Whether Swedish decision to award refugee status binding on the Netherlands — Criteria for granting refugee status — Test of well-founded fear of persecution in country of nationality — Applicability to refugees from Eastern bloc countries — Whether dissatisfaction with political and economic system in Hungary sufficient to establish well-founded fear — Whether any requirement that applicant demonstrate active political opposition to Government — Duty of non-refoulement — Whether benefit of Convention’s non-refoulement provisions extending to persons not falling within Convention definition of refugee — The law of the Netherlands