TY  - BOOK
AU  - Zweig, Gunter ed
TI  - Analytical methods for pesticides, plant growth regulators, and food additives 
PY  - 1963///
CY  - New York
PB  - Academic Press
UR  - http://krc.clri.res.in:80/cgi-bin/koha/opac-detail.pl?biblionumber=12457
ER  -