000 00250 a2200109 4500
082 _a629.8
_bT733p
245 1 _aPLENARY PAPERS
260 _aPennsylvania
_bInstrument Society Of America
_cc1975
300 _a
964 _gCIRC
997 _aA44366 s C
999 _c461715
_d461715