Ferguson, Carol Anne <br/><br/>
Returns to irrigation intensification in Philippine gravity systems / 
by Carol Anne Ferguson 
 - 4 microfiches ;  11 x 15 cm. 
<br/><br/>Thesis (Ph.D.)-Cornell University, 1987 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Irrigation efficiency--Philippines.