TY - BOOK AU - Tomar, Anil Kumar AU - Tomar, Pallabi B. TI - Chemistry: Elements and compounds T2 - Pegasus encyclopedia library SN - 9788131912546 U1 - 546 PY - 0000///00?? CY - New Delhi PB - Pegasus and imprint of B. Jain Publishers N1 - Includes index ER -