TY - RPRT TI - A rectangular loop-gap resonator for EPR studies of aqueous samples. AU - W Piasecki AU - W Froncisz AU - W L Hubbell PY - 1998 DO - 10.1006/jmre.1998.1482 UR - https://pubmed.ncbi.nlm.nih.gov/9740728/ ID - 9740728 ER -