TY - JOUR
AU - A. Fabian
AU - Carl Hansen
BT - Monthly Notices of the Royal Astronomical Society
DA - 1979-01
N1 - JILA Pub. 1870
PY - 1979
SP - 283
EP - 286
T2 - Monthly Notices of the Royal Astronomical Society
TI - Unravelling the "Helix" nebula
UR - http://adsabs.harvard.edu/full/1979MNRAS.187..283F
VL - 187
ER -