TY  - BOOK
AU  - Percy John R Ed.
AU  -  Mattei Janet Akyuz Ed.
AU  -  Sterken Christiaan Ed.
ED  - European meeting of the Ameriacn association of variable star observers (1990 : Brussels)
TI  - Proceeding on Variable star observers: An international perspective
U1  - B96:6, N2 
PY  - 1992///
CY  - Cambridge
PB  - CUP         
KW  -  Comets
KW  - Stars
ER  -