TY  - BOOK
ED  - United Nations
TI  - Proceeding of the workshop on efficient systems at the farm level in china
T2  - Resources series; 51
AV  - PAM QTO TC901.W67 
PY  - 1979///
CY  - New York
PB  - United Nations
KW  - Irrigation engineering--China--Congresses
KW  - Irrigation--China--Congresses
KW  - Water resources development--China--Congreses
KW  - Irrigation engineering--Asia
KW  - southeastern--congresses
KW  - Water resourses development--Asia
KW  - southeastern--Congresses
ER  -