ˈɛnzaɪm pˈɑːlɪmˌoːɹfɪzəm ænd ˌædæptˈeɪʃən ɪn ˈælpaɪn bˈʌɾɚflˌaɪz, nˈaɪntiːnhˈʌndɹɪd sˈɛvənti sˈɪks, ɪn ˌɛvəlˈuːʃən wɪðˌɪn pˌɑːpjʊlˈeɪʃənz, ˈæn.
Enzyme polymorphism and adaptation in Alpine butterflies, 1976, In Evolution Within Populations, Ann.