6Parker,C.D.(1945)The Corrosion of concrete,1.The isolation of a species of bacterium associated with the corrosion of concrete exposed to atmospheres containing hydrogen sulfi de,Exp.Biol.,23,pp.81-90.
7Nonaka,T.,Tada,H.,Sugita,H.andMori,T.(994a)Hiera rch ical relat ion of m icrobial cor rosion of concrete i n wastewater treatment plants.Trans.of JSIDRE,No.174,pp.1-8(in Japanese).
