On the inertia defect, l-doubling constant and force constant solutions Achim Müller, Nageswaran Mohan, Sachchida Nand Rai, Alain Alix and Lucien Bernard J. Chim. Phys., 72 (1975) 158-162 Published online: 29 May 2017 DOI: 10.1051/jcp/1975720158