by Johannes Sipko Boersma
For abstract see: Itinerario, vol. 10, no. 3/4 (1986); p. 33-34, no. 3731. - For review see: Hector R. Feliciano Ramos, in Revista/Review Interamericana, vol. 14, no. 1-4 (1985); p. 147; W.E. Renke…