@book{6770,
	author = {Sharma, Suresh Kumar},
	title = {Introduction to quantum chemistry},
	publisher = {Pragati Prakashan},
	year = {2020},
	address = {Meerut},
	edition = {2nd ed.},
	note = {4719 09/12/2022 HBD23/9651 19/01/2023 Main Budget}
}