Oxford University Press (OUP), 1991

Oxford University Press (OUP), 1991

Elsevier BV, 1990

Oxford University Press, 1990

Oxford University Press, 1990

Oxford University Press (OUP), 1990

Oxford University Press (OUP), 1990

Elsevier BV, 1989

Oxford University Press, 1989

Oxford University Press, 1989

Oxford University Press (OUP), 1989

Oxford University Press (OUP), 1989

Oxford University Press, 1988

Oxford University Press, 1988

Oxford University Press (OUP), 1988

Oxford University Press (OUP), 1988

Oxford University Press, 1987

Oxford University Press, 1987

Oxford University Press (OUP), 1987

Oxford University Press (OUP), 1987