On fleas collected by Dr. H. M. Jettmar in Mongolia and Manchuria in1927 and 1928
Published in Novitates Zoologicae Tring, in 1929, in volume 35, pages 155-164
Date published:1929
Published in Novitates Zoologicae Tring, in 1929, in volume 35, pages 155-164
Date published:1929