TY  - BOOK
AU  - Hyman L H
TI  - Invertebrates: Smaller coelomate groups chaetognatha hemichardata pogonophara phoronida ectoprocta brachipoda sipunculida
U1  - K1, H0.6;1 
PY  - 1940///
KW  -  Invertebrates
KW  - Zoology
ER  -