TY  - BOOK
AU  - Plank,Frans
TI  - Ergativity: towords a theory of grammatical relations 
SN  - 0125581505
PY  - 1979///
CY  - London
PB  - Academic Press
KW  - Grammar, Comparative and general
KW  - Case
N1  - Includes bibliography p. 511-554 and index
ER  -