| Communication and traffic - 1980 - 318 pages
Issue for 1978 consists of 2 vols.; v. 1 has title: "Antecedentes históricos, 1965-1977." | |
| Communication and traffic - 1980 - 316 pages
Issue for 1978 consists of 2 vols.; v. 1 has title: "Antecedentes históricos, 1965-1977." | |
| Communication and traffic - 1978 - 258 pages
Issue for 1978 consists of 2 vols.; v. 1 has title: "Antecedentes históricos, 1965-1977." | |
| Communication and traffic - 1978 - 262 pages
Issue for 1978 consists of 2 vols.; v. 1 has title: "Antecedentes históricos, 1965-1977." | |
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