00347nam a2200121Ia 4500008004100000020000500041082001900046100002100065245003800086260006800124300000800192650002500200140316s9999    xx            000 0 und d  a  a616.01bROS/EX  aRosebury,Theodor  aExperimental air -borne infection  aUnited states of AmericabThe William and Wilkins companyc1947  a222  aMedical microbiology