TY - BOOK AU - Gupta, B.M., ed. AU - Nathan, S.S., ed. TI - Handbook of libraries,archives & information centres in India: vol. 7, science and technology information systems and cent SN - 81-85179-45-X PY - 1990/// CY - Delhi PB - Aditya Prakashan KW - Handbook:Library science: Archives ER -