TY  - BOOK
TI  - Big Book of discoveries: edited by Shyam Dua ; 
U1  - FIL 608.7 B48 2004 
PY  - 2004///.
CY  - Makkar; Delhi : 
PB  - Tino-tot Publications, 
KW  - Invention--Dictionaries
N1  - Includes index 


ER  -