TY  - BOOK
AU  - Ringelberg,Joop
ED  - International Symposium on Diel Vertical Migration
TI  - Diel vertical migration of zooplankton: proceedings of an international symposium held at Lelystad, The Netherlands 
SN  - 3510470400
PY  - 1993///
CY  - Stuttgart
PB  - Schweizerbart
ER  -