Gaya APA

Amr, Darrag A.. (1998). Some geotechnical difficulties in mixed ground tunnelling in urban areas . : Thomas Telford.

Gaya Chicago

Amr, Darrag A.. Some geotechnical difficulties in mixed ground tunnelling in urban areas. : Thomas Telford, 1998. Computer Software.

Gaya MLA

Amr, Darrag A.. Some geotechnical difficulties in mixed ground tunnelling in urban areas. : Thomas Telford, 1998. Computer Software.

Gaya Turabian

Amr, Darrag A.. Some geotechnical difficulties in mixed ground tunnelling in urban areas. : Thomas Telford, 1998. Computer Software.