TY - JOUR T1 - Anisotropic ionizing radiation in NGC5252 JO - Nature PY - 1989/12/01 AU - Tadhunter C AU - Tsvetanov Z ED - DO - DOI: 10.1038/341422a0 PB - Springer Science and Business Media LLC VL - 341 IS - 6241 SP - 422 EP - 424 Y2 - 2024/12/22 ER -