Basics
Imported print text
                              Shoryu Katsura, "Nāgārjuna and the tetralemma (catuskoti)", WCSU 201-220;
Imported raw data
                              47.16.166 Shoryu Katsura, "Nāgārjuna and the tetralemma (catuskoti)", WCSU 201-220;
References
Source refers to  (1)