B. Pettersson

Hα Emission-Line Stars in Molecular Clouds. I. The NGC 2264 Region

J. Bally, B. Reipurth, L. Vaz, 2004 .

ESO & NOT photometric monitoring of the Cloverleaf quasar

A. A. Kaas, P. Magain, J. Hjorth, 1997 .

Young Stars and Dust Clouds in Puppis and Vela

B. Pettersson, 2008 .

The New EXor Outburst of ESO-Hα 99 Observed by Gaia ATLAS and TESS

C. Kochanek, J. Tonry, L. Denneau, 2019, The Astronomical Journal.

Congress Caveat

V. Bernson, B. Cannon, Marianne Andersson, 1972, Nature.

The distribution of stars in three regions in the northeastern part of the Large Magellanic Cloud

B. Westerlund, B. Pettersson, K. Lundgren, 1998 .