@book {Hall1966, title = {The Hidden Dimension}, year = {1966}, publisher = {Doubleday}, organization = {Doubleday}, address = {New York}, author = {Hall, Edward T.} } @book {Hall1959, title = {The Silent Language}, year = {1959}, publisher = {Doubleday}, organization = {Doubleday}, address = {New York}, author = {Hall, Edward T.} }