TY  - BOOK
AU  - Hog-Angeloni, Cynthia and Others
ED  - Metzler, Wolfgang ; jt. ed.
ED  - Sieradski, Allan J. ; jt. ed.
TI  - Two dimensional homotopy and combinatorial group theory
T2  - London Mathematical Society lecture note series ; v.197
U1  - 514 
PY  - 1993///
CY  - Cambridge
PB  - Cambridge University Press
ER  -