00345nam a2200109Ia 4500082001800000245002500018100002900043942000700072008004100079999001900120952009600139  aJ 614.49 WALK 0aEpidemics & plagues   a Walker, Richard, 92967  cBK210825s9999    xx            000 0 und d  c490733d490732  00104070aEMTFLbEMTFLd2021-08-25g100.00l0p33228016223172r2021-08-25w2021-08-25yBK