TY - RPRT TI - A four-variable model for the pattern-forming mechanism in Hydra. AU - S Sinha AU - N V Joshi AU - J S Rao AU - S Mookerjee PY - 1984 DO - 10.1016/0303-2647(84)90012-1 UR - https://pubmed.ncbi.nlm.nih.gov/6743789/ ID - 6743789 ER -