@book{1257,
	author = {शुक्ला, विद्याधर (Shukla, Vidyadhar)},
	title = {पदार्थविज्ञान दर्पण (Padarthvignan Darpan)},
	publisher = {Chaukhamba Surbharati Prakashan,},
	year = {2015},
	address = {Varanasi:}
}