Kowal , Andrzej. “‘…if You Do Any Scientific Work, You Should Do It neatly…’ . 174”. In Meetings: Roman Ingarden in Recollections, edited byLeszek Sosnowski. Poland: Księgarnia Akademicka Publishing, 2020. Accessed June 27, 2025. https://books.akademicka.pl/publishing/catalog/book/104/chapter/1450.