Brakel, J. van Chemical technology for appropriate development / J. van Brakel. - [Delft] : Delft University Press, 1978. - xi, 230 p. ; 24 cm. ISBN: 9062750109 : fl 29.95 Subjects--Topical Terms: Chemistry, Technical. LC Class. No.: TP145 / .B74 Dewey Class. No.: 660