TY  - BOOK
TI  - Mc Graw-Hill yearbook of science and technology: comprehensive coverage of the important events of the year 1971
PY  - 1972///
CY  - New York
PB  - Mc Graw-Hill Book Company
UR  - http://krc.clri.res.in:80/cgi-bin/koha/opac-detail.pl?biblionumber=5292
ER  -