1
Aquatic microbial ecology : biochemical and molecular approaches /
Book
...UPN - Water protection, water quality, clean water...
2
Measurement of microbial activities in the carbon cycle of freshwaters: proceedings of the workshop : Plön, 04.08.77-05.08.77.
Book
...UPN - Water protection, water quality, clean water...
3
Methods and measurements of periphyton communities: a review /
Book
...UPN - Water protection, water quality, clean water...