"harper, j d. "
Small scale foundries for developing countries:a guide to pr: ocess selection/ J.D. Harper - 1 ed. - uk : intermediate technology 1981. - "iv, 66p.; 25 cm."
includes bibliography
0 903031 78 7
671. 2 hap
Small scale foundries for developing countries:a guide to pr: ocess selection/ J.D. Harper - 1 ed. - uk : intermediate technology 1981. - "iv, 66p.; 25 cm."
includes bibliography
0 903031 78 7
671. 2 hap