TY  - BOOK
AU  - Wray John L
TI  - Calcareous algae
T2  - Devlopments in paleotology and stratigraphy; 4
U1  - I22:8, L7 
PY  - 1977///
CY  - Amsterdam
PB  - Elsevier Scientific        
KW  -  Algae
KW  - Botany
N1  - Glossary 163-168p
ER  -