Report on the Pycnogonida /
Hoek, P. P. C.
Report on the Pycnogonida / by P. P. C. Hoek. - London : Printed for H. M. S. O., 1881. - 167 p. : ill. ; 32 cm. - Report on the scientific results of the voyage of H.M.S. Challenger during the years 1873-76, under the command of Captain Sir George S. Nares and Captain Frank Tourle Thomson ; Zoology ; 3.10 .
Report on the Pycnogonida / by P. P. C. Hoek. - London : Printed for H. M. S. O., 1881. - 167 p. : ill. ; 32 cm. - Report on the scientific results of the voyage of H.M.S. Challenger during the years 1873-76, under the command of Captain Sir George S. Nares and Captain Frank Tourle Thomson ; Zoology ; 3.10 .