TY  - BOOK
TI  - McGraw-Hill yearbook of science and technology: comprensive coverage of the important events of 1969
PY  - 1970///
CY  - New York
PB  - McGraw Hill Book Company
UR  - http://krc.clri.res.in:80/cgi-bin/koha/opac-detail.pl?biblionumber=4493
ER  -