TY - BOOK ED - The Barium Chemicals Limited TI - The Barium Chemicals Limited: director's reports and statement of accounts 1962-63, 1964-65, 1977-78, 1978-79, 1980-81 U1 - CR PY - 1962/// CY - Andhra Pradesh PB - The Barium Chemicals Limited N1 - 2nd, 4th, 17th, 18th, 20th ER -