Buren, ariane van.
A chinese biogas manual:popularising technology in the count: ryside/ Ariane van buren - 1 ed. - uk : i.t.p 1976. - 135p.; 21 cm.
0 903031 65 5
TP359 / .C45 1979
665. 77 bor
A chinese biogas manual:popularising technology in the count: ryside/ Ariane van buren - 1 ed. - uk : i.t.p 1976. - 135p.; 21 cm.
0 903031 65 5
TP359 / .C45 1979
665. 77 bor