TY  - BOOK
AU  - Doyle,Williom T.
TI  - Nonvas cular plants: form and function 
AV  - QK505 .D69 1964
PY  - 1964///
CY  - London
PB  - MacMillan and Company, LTD.
KW  - Cryptogams
N1  - Includes index
ER  -