TY - JOUR TI - Six Years Helvetica JF - Helvetica Chimica Acta DO - 10.1002/hlca.202100236 DA - 2021-12-01 UR - https://www.deepdyve.com/lp/wiley/six-years-helvetica-Jkv6LDXFMk VL - 104 IS - 12 DP - DeepDyve ER -