TY - BOOK AU - Gupta S L AU - R C Sharma,Gupta S L,Kumar V AU - Kumar V TI - Elements of Spectroscopy Atomic Molecular and Laser Physics SN - 9789388438032 U1 - 543.5 GUP PY - 2019/// CY - Meerut PB - PRAGATI PRAKASHANA KW - atomic KW - elements KW - laser KW - molecular KW - physics KW - spectroscopy ER -