TY  - BOOK
AU  - Stephenson,J.(John),1871-1933
TI  - The Oligochaeta
SN  - 3768207501
PY  - 1972///
CY  - Lehre
PB  - Verlag Von J. Cramer
KW  - Oligochaeta
N1  - Bibliography: p. 915-950
ER  -