(1936). Humus; origin, chemical composition, and importance in nature, by Selman A Waksman.
Cita Chicago (17th ed.)Humus; Origin, Chemical Composition, and Importance in Nature, by Selman A Waksman. 1936.
Cita MLA (9th ed.)Humus; Origin, Chemical Composition, and Importance in Nature, by Selman A Waksman. 1936.
Atenció: Aquestes cites poden no estar 100% correctes.