TY - JOUR
AU - D. van Blerkom
AU - David Hummer
BT - Monthly Notices of the Royal Astronomical Society
DA - 00/1967
DO - 10.1093/mnras/137.3.353
N1 - JILA Pub. 300
PY - 1967
SE - 353
SP - 353
EP - 374
T2 - Monthly Notices of the Royal Astronomical Society
TI - The ionization structure of planetary nebulae-VI. The Lyman continuum problem
UR - http://articles.adsabs.harvard.edu/full/1967MNRAS.137..353V
VL - 137
ER -