China azolla propagation and small-scale biogas technology.

Bibliografske podrobnosti
Korporativna značnica:	Food and Agriculture Organization of the United Nations
Format:	Knjiga
Jezik:	English
Izdano:	Rome FAO 1979.
Serija:	FAO soils bulletin 41.
Teme:	Azolla > Econ. aspects. Ferns > China. Waste products as fuel. Biogas.