@techreport{MelenkNeun1987, author = {Herbert Melenk and Winfried Neun}, title = {Portable Standard LISP Implementation for CRAY X+MP Computers. Release of PSL 3.4 for COS.}, institution = {ZIB}, address = {Takustr. 7, 14195 Berlin}, number = {TR-87-02}, language = {eng}, year = {1987} }