TY - RPRT TI - Isochronism defect for various doubly rotated cut quartz resonators. AU - Nicolas Gufflet AU - Roger Bourquin AU - Jean-Jacques Boy PY - 2002 DO - 10.1109/58.996571 UR - https://pubmed.ncbi.nlm.nih.gov/11989708/ ID - 11989708 ER -