TY  - BOOK
AU  - Hyman, Libbie Henrietta
TI  - The invertebrates: smaller coelomate groups vol.5
U1  - 592/H997t 
PY  - 1959///
CY  - New York
PB  - Mc Graw Hill Books
KW  - invertebrates
KW  - bilateria
KW  - phylum platyhelminthes
N1  - Includes bibliography
ER  -