%0 Journal Article %A Velagapudi, Uma Maheswara Rao, Davuluri, Neelima %T String cosmological models with bulk viscosity in Nordtvedt's general scalar-tensor theory of gravitation %J Journal of Theoretical and Applied Physics %V 0 %N 1 %P 0-0 %D 2013 %R 10.1186/2251-7235-7-50 %U https://sanad.iau.ir/fa/Article/788474