TY  - BOOK
AU  - Calhoun, David ed.
TI  - Britannica yearbook of science and the future 1991
SN  - 0-85229-525-1
PB  - Encyclopaedia Britannica, Inc
UR  - http://krc.clri.res.in:80/cgi-bin/koha/opac-detail.pl?biblionumber=9301
ER  -