000 00256nam a22000857a 4500
008 210304b ||||| |||| 00| 0 eng d
050 _aQC177
245 _aNineteenth-century aether theories
_cSCHAFFNER, KENNETH F.
942 _2lcc
_hQC177 .S3 1972
999 _c1514
_d1514