The Asphalt Institute, 1969
Buku Teks
The Asphalt Institute
The Asphalt Institute, 1970
Buku Teks
Asphalt Institute, 1982
Buku Referensi
The Asphalt Institute.
Asphalt Institute, 1986
Buku Referensi
Asphalt Institute
Asphalt Institute, 1979
Buku Referensi