Title:Causal inferences in nonexperimental research / by Hubert M. Blalock, Jr. Author:BLALOCK, Hubert M. Publication information:Norton ISBN:0393006425 (pbk. Physical description:xii, 200 p. : illus. ; 19 cm. Call number: 300.1'51 BLA Access from: Main Library(at National Institute for Legislative and Democratic Studies (NILDS) eLibrary) Items: National Institute for Legislative and Democratic Studies (NILDS) eLibrary 7986 (7986) located at stacks