000			00474nam a2200145Ia 4500
008			230130s9999||||xx |||||||||||||| ||und||
020			_a9789811312472
100			_aDemetrios Christodoulides, Jianke Yang
245		0	_aParity-time Symmetry and Its Applications
250			_a1st ed. 2018
260			_bSpringer Nature Singapore _c2018
440			_aSpringer Tracts in Modern Physics
650			_aPhysics and Astronomy
856			_uhttps://doi.org/10.1007/978-981-13-1247-2
999			_c18264 _d18264