Pietraszewski, David E. Wertz, Annie Bryant, Gregory A. Wynn, Karen Sound file 8 from Three-month-old human infants use vocal cues of body size Vocalizations during single trial (low pitch first). acoustic properties;body size;pitch;formants;development;human infants 2017-05-17
    https://rs.figshare.com/articles/media/Sound_file_8_from_Three-month-old_human_infants_use_vocal_cues_of_body_size/5011721
10.6084/m9.figshare.5011721.v1