na INLIS000000000012174 Ind 0010-1118012174 Treadle pumps for irrigation in Africa MELVIN-KAY Melvin-Kay; Tom Brabben Rome IPTRID Secretariat 2000 v, 55 p. : ill. ; 30 cm.-- v, 55 p. : ill. ; 30 cm.-- ISBN 92-5-104490-2 Sr. Bibl.: p. 58 631.67(6) IRRIGATION PUMPS AFRICA 167/FAO/2001-mfn13963 167/FAO/2001-mfn34989