China azolla propagation and small-scale biogas technology.

Podrobná bibliografie
Korporativní autor:	Food and Agriculture Organization of the United Nations
Médium:	Kniha
Jazyk:	English
Vydáno:	Rome FAO 1979.
Edice:	FAO soils bulletin 41.
Témata:	Azolla > Econ. aspects. Ferns > China. Waste products as fuel. Biogas.