TY  - BOOK
AU  - Robertson,Charles Alexander,1931-
TI  - Economic analysis of ground water irrigation in Neuva Ecija, Philippines
PY  - 1973///
CY  - Ann Arbor, Mich.
PB  - University Microfilms International
KW  - Irrigation
KW  - Philippine Islands
KW  - Neuva Ecija
KW  - Agriculture
KW  - Economic aspects
N1  - Thesis (Ph.D.) - Cornell University, 1973
ER  -