TY  - BOOK
AU  - Erdtman, G.                                                 
TI  - Pollen and spore morphology plant taxonomy : gymnospermae bryophyta [text]                                              
U1  - 582.0463 ERD                   
PY  - 1965///
CY  - Stockholm                                                   
PB  - Almovist & Wiksell                                          
ER  -