Young, O.C.
The Structural design and laying of small underground drains of flexible materials . - Crowthorne, Berkshire : Transport and Road Research Laboratory, 1978. - 14 p. : ill. ; 30 cm. - Irregular - TRRL Suplementary Report; 375 .
Includes bibliographical references.
0305-1315
Drainage pipes.
Underground plastic pipe.
TE145 You
The Structural design and laying of small underground drains of flexible materials . - Crowthorne, Berkshire : Transport and Road Research Laboratory, 1978. - 14 p. : ill. ; 30 cm. - Irregular - TRRL Suplementary Report; 375 .
Includes bibliographical references.
0305-1315
Drainage pipes.
Underground plastic pipe.
TE145 You