| Author Title Journal |
Bardeen CR (1903) Factors in Heteromorphis in Planarians. Arch. f. Entwickelungsmech. 16. Bd. Leipzig 1903. pages 1-20, with 18 figures. |
Abstract / Notes
reference from Graff Lv 1904-08 (citation)- p 1889.| Home page -- (Main hierarchy) |