@inbook{ERMS:SourceID:238097, author = {Hasle, G. R. and Syvertsen, E. E.}, doi = {10.1016/b978-012693018-4/50004-5}, journal = {Identifying Marine Phytoplanktons}, title = {Marine Diatoms}, url = {http://www.sciencedirect.com/science/article/pii/B9780126930184500045}, year = {1997} }