TY  - BOOK
AU  - Ricard,M.
ED  - Eighth internationl diatom symposium 
TI  - Proceedings of the eighth internationl diatom symposium: Paris, august 27 - september 1, 1984 
SN  - 3874292657
PY  - 1986///
CY  - Koenigstein
PB  - Otto Koeltz, science publishers
ER  -