TY - RPRT TI - The sequential comparison index--a simplified method for non-biologists to estimate relative differences in biological diversity in stream pollution studies. AU - J Cairns AU - D W Albaugh AU - F Busey AU - M D Chanay PY - 1968 UR - https://pubmed.ncbi.nlm.nih.gov/5680805/ ID - 5680805 ER -