Crinoidea /
Clark, Augustin H.
Crinoidea / by Augustin H. Clark. - Copenhagen : Bianco Luno, 1923. - 58 p. : ill. ; 32 cm. - The Danish ingolf-expedition ; 4.5 .
Crinoidea / by Augustin H. Clark. - Copenhagen : Bianco Luno, 1923. - 58 p. : ill. ; 32 cm. - The Danish ingolf-expedition ; 4.5 .