TY  - GEN
AU  - Levring,Tore
TI  - Algological excursion to the Swedish West Coast: July 5-10, 1950 
PY  - 1950///
CY  - Stockholm : 
PB  - [s.n.]
N1  - Reprint from: Seventh International Botanical Congress, Stockholm 1950 : Excursion guides; Tav. di studio SZN
ER  -