TY - BOOK AU - Allcock, H.R TI - Phosphorus-nitrogen compounds: cylic, linear, and high polymeric systems SN - 0-12-050560-6 PY - 1972/// CY - New York PB - Academic Press UR - http://krc.clri.res.in:80/cgi-bin/koha/opac-detail.pl?biblionumber=5431 ER -