00590nam a2200181Ia 4500 190327s9999||||xx |||||||||||||| ||und|| NITIL NITIL 21st 622.334 I61C RangaRaja, Rao, S (Ed.) International Coal Preparation Congress (9th: 1982: New Delhi) Coal preparation and use a world review Rao S RangaRaja New Delhi Oxford and IBH 1982 xiii,246p Coal preparation; Coal preparation-Plants-India Basak, P K (Ed.) Rao, A R N (Ed.) BKS 61644 61644 0 0 DDC 0 0 NITIL NITIL 2019-04-04 0 622.334 I61C C2042 2019-04-04 00:00:00 2019-04-04 BKS