Stadrardization of perishable foodstuffs : no. 23 /
United Nations
- New York : United Nations, 1964.
- V. ; ill., graphs ; 29 cm.
- Energy resources development series ; no. 21 .
Biogas--Developing countries.
664.8 / UNS
Biogas--Developing countries.
664.8 / UNS
