000 00262pam a2200121a 44500
010 _a60014570
082 _a523.85
_bAL5G COP.1
100 _aAller, L.H.
245 1 _aGASEOUS NEBULAE
260 _a
_bChapman & Hall
_c1956
964 _gCIRC
997 _a3055 C
999 _c412332
_d412332