Librería Samer Atenea
Kálamo Books
Librería Elías (Asturias)
Librería Kolima (Madrid)
Librería Proteo (Málaga)
This work contains results of the latest studies on the composition, structure and properties of humic substances, which are the largest and most important component of organic matter of different types of soils. It should be useful for soil scien...