TY - JOUR AU - M. Blaha BT - Annales d\textquoterightAstrophysique N1 - JILA Pub. 369 PY - 1968 SE - 311 SP - 311 EP - 12 T2 - Annales d\textquoterightAstrophysique TI - Collision excitation of positive ions in pq configuration: transition between levels of the P term. Part I UR - http://adsabs.harvard.edu/full/1968AnAp...31..311B VL - 31 ER -