On the alternation of generations : or The propagation and development of animals through alternate generations / by Joh. Japetus Sm. Steenstrup ... Tr. from the German version of C.H. Lorenzen, by Ge...
London :Printed for the Ray society,1845.
Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
Public domain. The BHL considers that this work is no longer under copyright protection.