00405nam a2200169Ia 4500008004100000020001500041082001400056100001700070245003500087250000600122260003100128300000800159650001800167650001800185653001500203653001700218170901s1973 xx 000 0 und d a0249441101 a576bG80M aGregory, P.H 0aMicrobiology of the Atmosphere a2 aLondonbLeonard Hillc1973 a377 aLife sciences aPure Sciences aAtmosphere aMicrobiology