Transportation and telecommunications
Subtitle: a study of substitution, stimulation and their implications.  A report prepared for Systems Analysis and Research Data Base Branch, Canadian Transport Commission.
Series: Canada.  Transport Commission.  System Analysis and Research Data Base Branch.  Report, 121
Publisher: Canadian Transport Commission]
Published: 1974
Place of publication: [Ottawa
Language: eng
Number of pages: 170
Subjects: Telecommunication; Communication and traffic
Notes: Bibliography: p. 127-170.