TY  - BOOK
AU  - Narayana Kurup R
TI  - A concise text book of mechanics
U1  - 531 
PY  - 1975///
PB  - S V Press Neyattinkara
KW  - MechanicsORIGIN AND DEVELOPMENT OF USE OF COMMERCIAL FERTILIZERS, SOURCE, PRODUCTION AND USE OF SODIUM NITRATE, MANFACTURE AND O AMMONIAM NITRATE, FERTILIZERS CURRYING THE SECONDARY ESSENTIA ELEMENTS
ER  -