TY - JOUR ID - 14375081 TI - On the structure of the valve of pleurosigma. On the formation of diatom structure, II ; Some observations on the human spermatozoon AU - Smith, T.F. AU - Nelson, E.M. PY - DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:14375081 AB - ER -