Mechanisation in building /
Vallings, Harold Gordon.
Mechanisation in building / [Books]. H.G.Vallings. - 2nd ed. - London : Applied Science Publishers, 1976. - vii, 175p. : ill. ; 23cm.
0853346518
Construction equipment.
Mechanisation in building / [Books]. H.G.Vallings. - 2nd ed. - London : Applied Science Publishers, 1976. - vii, 175p. : ill. ; 23cm.
0853346518
Construction equipment.