Tsukioka, T. and Watabiki, Y. (2004) Quantization of Neveu-Schwarz-Ramond Superstring Model in 10+2-dimensional Spacetime. (Preprint)
Tsukioka, T. and Watabiki, Y. (2003) Quantization of Bosonic String Model in 26+2-dimensional Spacetime. (Preprint)