On the Methods of Protecting Drain Pipes and on the Use of Gravel as a Protective Material
Juusela, TaneliVolume:
8
Language:
english
Journal:
Acta Agriculturae Scandinavica
DOI:
10.1080/00015125809433285
Date:
January, 1958
File:
PDF, 1.44 MB
english, 1958