TY  - BOOK
AU  - Waddington, D.J
AU  - West, D.C
TI  - : Locally produced Low Cost Equipment for teaching of chemistry: (A monograph based on the work of the Edutronics Group, University of Delhi)
AV  - QD40.S2 
PY  - 1991///
CY  - New Delhi
PB  - Publication division, university of delhi
ER  -