TY  - BOOK
AU  - Gradstein, S. Rob
TI  - Directory of bryologists and bryological research
U1  - 588.07 21st ed.
PY  - 1973///
CY  - Netherlands
PB  - International Association for Plant Taxonomy
KW  - Botany
KW  - Bryology
KW  - Bryophyta
KW  - Directories
ER  -