TY  JOUR
TI  ENERGY AND TECHNICAL AND ECONOMICAL EFFICIENCY OF SOLAR WATER HEATING UNITS
KW  solar water heaters
KW  collectors of solar energy
KW  energy efficiency
KW  cost of collectors
KW  economical efficiency
KW  payback period
KW  multistage collectors of solar energy
JO  Vestnik of Astrakhan State Technical University
AU  Shishkin, N..
PY  2015
IS  2015
PB  Astrakhan State Technical University