000 00277nam a2200109Ia 4500
008 160710s1956 xx 000 0 und d
100 _aU.N.E.S.C.O.
245 _aWIND AND SOLAR ENERGY PROCEEDINGS OF N.D. SYMPOSIUM
260 _bUNESCO
_c1956
300 _a238
942 _2ddc
_cB
999 _c21593
_d21593