000 00278 a2200121 4500
035 _a
090 _c29503
_d29503
100 _aConstantinescu,G
245 _aTeoria sonicitatii
_cg.Constantinescu
260 _aBucuresti
_c1922
300 _a226p
_c30 cm
942 _aIMAR
_cCART
_sRM
999 _c29205
_d29205