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  1. 341

    Organisms and biological communities as indicators of environmental quality a symposium, the Ohio State University, March 25, 1974 per King, Charles C.

    Publicat 1975
    Llibre

    Organisms and biological communities as indicators of environmental quality a symposium, the Ohio State University, March 25, 1974
  2. 342

    Bibliography of Ohio paleobotany per Romans, Robert C.

    Publicat 1974
    Llibre

    Bibliography of Ohio paleobotany
  3. 343

    Notes from the Intersection Capacity Workshop, January 20, 1974, Washington, D.C.

    Publicat 1974
    Llibre

    Notes from the Intersection Capacity Workshop, January 20, 1974, Washington, D.C.
  4. 344

    Research problem statements design and construction of transportation facilities.

    Publicat 1974
    Llibre

    Research problem statements design and construction of transportation facilities.
  5. 345

    Progress report of TRB-AASHTO joint commitee on maintenance and operations personnel

    Publicat 1974
    Llibre

    Progress report of TRB-AASHTO joint commitee on maintenance and operations personnel
  6. 346

    DOT's, PPBS and data processing

    Publicat 1973
    Llibre

    DOT's, PPBS and data processing
  7. 347

    Fixed highway lighting design and operation

    Publicat 1973
    Llibre

    Fixed highway lighting design and operation
  8. 348

    An Exploratory view of tourist information systems

    Publicat 1973
    Llibre

    An Exploratory view of tourist information systems
  9. 349

    Progress report of an HRB-AASHTO joint study of maintenance and operations personnel.

    Publicat 1973
    Llibre

    Progress report of an HRB-AASHTO joint study of maintenance and operations personnel.
  10. 350

    Research problem statements ... on tunnel lighting ...

    Publicat 1972
    Llibre

    Research problem statements ... on tunnel lighting ...

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