TY - JOUR AU - Spichiger, David PY - 2021/12/29 Y2 - 2024/03/28 TI - Congresses, Symposia, Lectures, Education Courses JF - CHIMIA JA - Chimia VL - 75 IS - 11 SE - Events DO - UR - https://www.chimia.ch/chimia/article/view/2021_997 SP - 997 AB - ER -