Technological substitution
658.401
L759T and Linstone, Harold A., ed. and Sahal, Devendra, ed.
Technological substitution
-- New York : Elsevier , 1976
237920 xiii, 288p.:ill.,tab.
Substitution (Technology)
Technological forecasting
L759T and Linstone, Harold A., ed. and Sahal, Devendra, ed.
Technological substitution
-- New York : Elsevier , 1976
237920 xiii, 288p.:ill.,tab.
Substitution (Technology)
Technological forecasting