TY JOUR TI SYSTEM ANALYSIS AND CALCULATION ALGORITHM OF COMBINED SOLAR-WIND INSTALLATIONS KW system analysis KW solar-wind installation KW structural and functional models KW energy KW thermodynamic KW economic optimization KW calculation algorithm JO Vestnik of Astrakhan State Technical University. Series: Management, computer science and informatics AU Shishkin, N.. AU Manchenko, E.. PY 2013 IS 2013 PB Astrakhan State Technical University