TY - RPRT TI - Permanent automatic synchronization of micro algae achieved by photoelectrically controlled dilution. AU - J Pfau AU - K Werthmüller AU - H Senger PY - 1971 DO - 10.1007/bf00407695 UR - https://pubmed.ncbi.nlm.nih.gov/5549358/ ID - 5549358 ER -