000 00436nam a2200133Ia 4500
008 231101s9999 xx 000 0 und d
082 _a615.37202491
_bWHO
100 _aWorld Health Organization
245 0 _aVaccination certificate requirements for international travel and health advice to travellers: Situation as on 1 January 1983
260 _aGeneva
_c1983
300 _a70p. p.
650 _aVaccination certificate
942 _cBK
999 _c4407
_d4407