TY - JOUR A1 - Vollmer, Michael A1 - Möllmann, Klaus-Peter T1 - Direct speed of sound measurement within the atmosphere during a national holiday in New Zealand T2 - Physics Education Y1 - 2019 UR - https://opus4.kobv.de/opus4-fhbrb/frontdoor/index/index/docId/2329 VL - 53 IS - 3 SP - 033007 EP - 033007 ER -