https://researchconnect.suny.edu/en/publications/all-about-ablaut-a-typology-of-ablaut-reduplicative-structures/
All about ablaut: A typology of ablaut reduplicative structures - SUNY Research Connect
all aboutablauttypologyreduplicativestructures
https://www.narr.de/sonantensystem-und-ablaut-in-den-kartwelsprachen-10360/
Sonantensystem und Ablaut in den Kartwelsprachen:
Volume 1Tomasz P. Krzeszowski, Contrastive generative grammar:theoretical foundationsVolume 2Mary Ritchie Key, The grouping of South American Indian...
undablautden