TY  - BOOK
AU  - Doyle William T
TI  - Biology of higher cryptogams
T2  - Current concepts in biology series
U1  - I1, L0;1 
PY  - 1970///
CY  - London
PB  - Macmillan         
KW  -  Cryptogamia
KW  - Botany
ER  -