TY  - BOOK
AU  - Budinich P
AU  -  Trautman A
TI  - Spinorial chessboard
T2  - Trieste notes in physics
U1  - C9B5:8N, M8 
PY  - 1988///
CY  - Berlin
PB  - Springer-Verlag         
KW  -  Electron
KW  - Physics
ER  -