https://research.ibm.com/publications/spin-one-kemmer-duffin-petiau-equations-and-intermediate-energy-deuteron-nucleus-scattering
Spin-one Kemmer-Duffin-Petiau equations and intermediate-energy deuteron-nucleus scattering for...
Spin-one Kemmer-Duffin-Petiau equations and intermediate-energy deuteron-nucleus scattering for Physical Review C by R.E. Kozack et al.