TY  - BOOK
AU  - McRoy,C.Peter
AU  - Helfferich,Carla
TI  - Seagrass ecosystems: a scientific perspective 
SN  - 0824764595
PY  - 1977///
CY  - New York
PB  - M. Dekker
N1  - Includes revised papers initially presented at the International Seagrass Workshop held in Leiden, Oct. 1973
ER  -