00346nam a2200145Ia 4500 230118s9999||||xx |||||||||||||| ||und|| 978-93-5006-446-7 530 PRA/C dr.madhusudan prasad sinha csir ugc net slet physics meerut prakati prakashan 2004 3639 3639 0 0 0 0 CPL CPL 2023-02-07 0 530 13649 2023-02-07 00:00:00 2023-02-07 BK