AU  - Fritsch,F.E..
TI  - The Structure And Reproduction Of The Algae Vol I / 
SN  - 0 7069 0863 5
U1  - 589.309 
PY  - 1935///
CY  - N.Delhi
PB  - Vikas Publishing House Pvt Ltd , 
KW  - Botany
N1  - NULL
ER  -