Items where Author is "Ivanov, P."

Shindarska, Z. and Zaharinov, Botio and Petrova, V. and Ivanov, P. and Kostadinova, G. and Kirov, V. and Baykov, Bayko (2013) Ecological Assessment of differrent raw materials for biogas. International symposium ISB-INMA TEH : Agricultural and mechanical engineering. pp. 215-222. ISSN 2344-4126