Gravel filled mole channels
Subtitle: A technical and economic assessment
By: (by) A.J. Kellett ; Ministry of Agriculture Fisheriesand Food, Agricultural Development and Advisory Service.
Contributors: Agricultural Development and Advisory Service.
Series: Reference book -- 388; Technical report -- 79/2
Publisher: The Ministry
Published: 1980
Place of publication: Pinner
Language: eng
Number of pages: 21