000			00471nam a2200145 4500
001			00305197
003			PWmBRO
005			20240602100508.0
008			000000n 00000 eng u
245	0	0	_aLight beam named ray, A.
300		1	_aVideocassette (VHS)(ca. 25 min.) : sd., col., 1/2 in.
500	0		_aA lively animated film explaining the fundamentals, properties and physics of light, colour and optics.
650			_aLight#xStudy and teaching.
942			_2ddc
999			_c26557 _d26557