[by] H. J. R鑟sler [and] H. Lange. by A.E. Weller and H. Nack. by J.W. Weller and A. Youle. by J. E. Fisher and H. B. Gatland. by P. Adler and J. Kennedy. edited by R. Muller and E Lange. by M. W. Porter and R. C. Spiller. by W. R. Schoeller and A. R. Powell.