000
002310000a22001090004500
245
_a
Non-conventional energy:papers
260
_a
Vienna
_b
I.A.E.A.
_c
1981
080
_a
620.9
_b
I6
650
_a
ENERGY
041
_a
EN
942
_c
BK
999
_c
57966
_d
57966