TY JOUR TI BIOGAS MANUFACTURE PECULIARITIES IN THE INSTALLATIONS WITH DUAL REACTOR KW biogas KW bioreactor KW fermentation KW microorganisms KW temperature regime JO Bulletin of KSAU AU Gaaze, Z.V. AU Mezhevich, A.L. AU Buziyan, O.N. PY 2012 IS PB Krasnoyarsk State Agrarian University