000
00237pam a2200109a 44500
082
_a
523.85
_b
AL5G COP.2
100
_a
Aller, L.H.
245
1
_a
GASEOUS NEBULAE
260
_a
_b
Chapman & Hall
_c
1956
964
_g
CIRC
997
_a
3973 C
999
_c
412492
_d
412492