00283nam a2200097Ia 4500008004100000040003800041100001700079245005100096250000600147260003200153211215s9999    xx            000 0 und d  cJayakar Knowledge Resource Centre  aWilson, G.S. 0aPrinciples of Bacteriology and Immunity: Vol 1  a5  bEdward ArnoldaLondonc1964