TY  - BOOK
AU  - Gopal, Brij                                                 
TI  - Water-Hyacinth : eichhornia crassipes the most troublesome weed of the world                                            
U1  - 632.58 BRI                     
PY  - 1981///
CY  - Delhi                                                       
PB  - Hindasia Publishers                                         
ER  -