Drainage materials 

 - Rome: FAO,  1972 
 - 122p, illus 
 - FAO IRRIGATION AND DRAINAGE PAPER NO.09 .
<br/><br/>1. Drainage materials / C.I.van Someran. 2. Survey of experiences with drainage materials and review of available specifications / R.Deckx. 3. Study of experiences with drainage materials and a review of available specifications / J.Dunglas. 4. Experiences with drainage materials and review of a available specifications / H.Billib. 5. A survey of experiences with drainage materials and review of available specifications / L.Szabo. 6. Drainage materials-provisional report of the experiences gained in the Netherlands / J.Wesseling. 7. Survey of experiences with drainage material and review of available specifications / B.D.Trafford. 
<br/><br/><br/>ENG 
<br/><br/><label>Subjects--Topical Terms: </label><br/>DRAINAGE.<br/>MATERIALS.