"ðə ɹˈɪvɚɹ ʌv tˈaɪm" fˈɜːst pˈʌblɪʃt ɪn nˈaɪntiːnhˈʌndɹɪd ˈeɪɾi wˈʌn æz "kˌoʊɛɡzˈɪstəns" ɪn ˈaɪsək ˈæzᵻmˌɑːfz sˈaɪəns fˈɪkʃən mˌæɡɐzˈiːn ˈæstɚɹˌɪsk
"The River of Time" (first published in 1981 as "Coexistence" in Isaac Asimov's Science Fiction Magazine)*