TY  - BOOK
AU  - Stålberg, Nils
TI  - Lake Vättern: outlines of its natural history, especially its v egetation
U1  - PF 581.929486 S73 
PY  - 1939///
CY  - Uppsala
PB  - Almquvist & Wiksells Boktryckeri
KW  - Vättern, Lake
KW  - Phytogeography
ER  -