00458nam a22001817a 4500 20170220103919.0 170220b xxu||||| |||| 00| 0 eng d 9788130931661 PK-LaUMT 535.078 GHA-E Ghatak , Ajoy Experiments with light [+CD] / Ajoy Ghatak London: MV learning, 2015 142 P. CD EN Light - experiments BK 91054 91054 0 0 0 0 01 01 2017-02-20 2 535.078 GHA-E 105408 2024-10-17 17:36:40 2024-08-19 2017-02-20 BK