004040000a22001450004500003000900000005001700009700001700026700002100043245005200064264006100116490004000177300001000217041000800227650002300235PH-MaWHO20241108112100.01 aMalina, J.F.1 aSagik, B.P.eed.0 aVirus survival in water and wastewater systems.  aTexas : bCenter for Research in Water Resources,c1974.  a(Water resources symposium ; no. 7)  a264p.  aeng  aWater microbiology