TY - RPRT TI - Fiber optic probe augmented sonic scaling versus conventional sonic scaling. AU - G K Johnson AU - R A Reinhardt AU - G J Tussing AU - R F Krejci PY - 1989 DO - 10.1902/jop.1989.60.3.131 UR - https://pubmed.ncbi.nlm.nih.gov/2664116/ ID - 2664116 ER -