He was the author of the most influential Slovene scientific grammar of the second half of the 20th century , a member of the Slovenian Academy of Sciences and Arts , and coauthor of the Academy 's Slovene Normative Guide ( ) .
He was the author of the most influential Slovene scientific grammar of the second half of the 20th century . He was a member of the Slovenian Academy of Sciences and Arts , and coauthor of the Academy 's Slovene Normative Guide ( Slovene : `` Slovenski pravopis '' ) .