00571pamaa2200181 4500 0000020755 20060601090000.0 0751510637 355.02 GRE HE9843.B7 GRE 1996 GREGORY Dirty tricks : British Airways' secret war against Virgin Atlantic Martyn Gregory. London: Little, Brown and Co., c1996. xx, 520p.: ill.; 20cm. Virgin Group Competition -- Great Britain Aeronautics, Commercial -- Great Britain British Airways