TY - JOUR U1 - Zeitschriftenartikel, wissenschaftlich - begutachtet (reviewed) A1 - Wyrowski, F. A1 - Güsten, R. A1 - Menten, K. M. A1 - Wiesemeyer, H. A1 - Klein, B. T1 - Terahertz ammonia absorption as a probe of infall in high-mass star forming clumps JF - Astronomy & Astrophysics KW - stars: formation KW - dynamics KW - ISM: molecules KW - ISM: kinematics SN - 0004-6361 SS - 0004-6361 U6 - https://doi.org/10.1051/0004-6361/201218927 DO - https://doi.org/10.1051/0004-6361/201218927 VL - 542 SP - 4 S1 - 4 PB - EDP Sciences ER -