TY  - BOOK
AU  - Hakanson L
AU  -  Jansson M
TI  - Principles of lake sedimentology
U1  - H4228, M3;1 
PY  - 1983///
CY  - Berlin
PB  - Springer-Verlag         
KW  -  Limnology
KW  - Geology
ER  -