Flower, D.R., Roueff, E., "LETTER TO THE EDITOR: The influence of vibration on rotational cross sections in <IMG ALIGN="BOTTOM" SRC="http://www.iop.org/EJ3-Images/0953- 4075/32/7/004/img1.gif"/> and HD", "Journal of Physics B: Atomic, Molecular and Optical Physics", 1999