TY - BOOK AU - Tek Prasad Adhikari TI - Photoionization Modelling as a Density Diagnostic of Line Emitting/Absorbing Regions in Active Galactic Nuclei SN - 9783030227371 PY - 2019/// PB - Springer International Publishing KW - Physics and Astronomy UR - https://doi.org/10.1007/978-3-030-22737-1 ER -