Kerala Agricultural University Central Library Search for 'au:"Bos L "'

Symtoms of virus diseases in plants: with indexes of names of symtoms in English, Dutch, German, French, Italian and Spanish

By Bos, L. New Delhi, Oxford & IBH publishing co. pvt. ltd 1970 . 206

By Bos L. Newdelhi, Oxford & IBH publishing company 1978 . 225

By Bos L. Newdelhi, Oxford & IBH publishing company 1983 . 160

By Bos L . New Delhi Oxford I B H publishing company 1970 . 206 Pages

By Bos, L .. New Delhi : Oxford & IBH Publishing company , 1982 . 160 ; .