000 00235pam a2200109a 44500
082 _a523.85
_bAL5G
100 _aAller, L.H.
245 1 _aGASEOUS NEBULAE
260 _a
_bJohn Wiley & Sons
_c1956
964 _gCIRC
997 _a38891 C
999 _c412329
_d412329