TY  - BOOK
AU  - Arber Agnes
TI  - Water plants
T2  - Historiae naturalis classica; 23
U1  - I9555, K3   CS 
PY  - 1963///
CY  - Weinheim
PB  - J Cramer        
KW  - Botany
N1  - BIbliography p
ER  -