Chaudhari, A. S.; Joshi, F. M.; Pindariya, M.; Joshipura, K. N.; Bhowmik, P. Ionization of P Atom, P\(_2\) and PX (X = H, C, N, O) Molecules by Electron Impact: Theoretical Studies. Jour. Atomic Mole. Conden. Nano Phys 2018, 5, 205-214.