@book{Luxemburg, author = {Luxemburg, R.}, title = {The russian revolution and Leninism or marxism, Michigan (The University of Michigan Press) 1971.}, language = {en} } @book{Luxemburg, author = {Luxemburg, R.}, title = {The accumulation of capital, New Haven (Yale University Press) 1951.}, language = {en} } @book{Luxemburg, author = {Luxemburg, R.}, title = {Die Russische Revolution, Hameln (Verlag Niemeyer) 1957.}, language = {de} }