TY  - GEN
AU  - Hyman , Libbie Henrietta
TI  - The invertebrates Vol; v: smaller coelomate groups chaetognatha, hemichordata, pogonophora phoronida, ectoprocta, brachiopoda sipunculida the coelomate bilateria
U1  - 592 
PY  - 1993///
CY  - New Delhi
PB  - CBS Publishers
KW  - Zoology
KW  - Animals
ER  -