TY  - RPRT
TI  - Comparative embryology of five species of lampreys of the upper Great Lakes
AU  - Allen J. Smith
AU  - John H. Howell
AU  - George W. Piavis
PY  - 1968
DO  - 10.2307/1442013
UR  - https://pubs.usgs.gov/publication/1000363
ID  - 1000363
ER  -