@article{SchartlHolsteinRobertsonetal.1989,
  author    = {Manfred Schartl and Thomas Holstein and Scott M. Robertson and Angelika Barnekow},
  title     = {Preferential expression of a pp60c-src related protein tyrosine kinase activity in nerve cells of the early metazoan Hydra (Coelenterates)},
  year      = {1989},
}