000 00237pam a2200109a 44500
082 _a523.85
_bAL5G COP.2
100 _aAller, L.H.
245 1 _aGASEOUS NEBULAE
260 _a
_bChapman & Hall
_c1956
964 _gCIRC
997 _a3973 C
999 _c412492
_d412492