Hand pump maintenance in the context of community well projects :

Pacey, Arnold.

Hand pump maintenance in the context of community well projects : an Oxfam document / compiled by Arnold Pacey. - London : Intermediate Technology Publications, 1977. - 38p. : ill. ; 21cm.

Originally published: as 'Hand pump maintenance and the objectives of community well projects'. Oxford : Oxfam, 1976.

0903031442 (sd) : 1.50

628.1/44