TY - RPRT TI - Spermiogenesis in Lumbricus herculeus; an electron microscope study. AU - J B GATENBY AU - A J DALTON PY - 1959 DO - 10.1083/jcb.6.1.45 UR - https://pubmed.ncbi.nlm.nih.gov/13673045/ ID - 13673045 ER -