Spence, R. J. S.
Small-scale production of cementitious materials / R. J. S. Spence. - London : Intermediate Technology, 1980. - 49 p. : ill. ; 21 cm.
0903031744
Cement industries--Developing countries.
Portland cement.
Cement.
Portland cement--Developing countries.
Small-scale production of cementitious materials / R. J. S. Spence. - London : Intermediate Technology, 1980. - 49 p. : ill. ; 21 cm.
0903031744
Cement industries--Developing countries.
Portland cement.
Cement.
Portland cement--Developing countries.