00406nam a22001457a 450000500170000002000230001703500120004003700190005208200080007110000160007924500380009526000360013327000710016930000200024020180701135206.0  a8177092324c178.00  aB-82330  bBharati Bhawan  a530  aVerma, H.C.  aConcepts of physicsc H.C. Verma,  aNew DelhibBharati Bhawanc1993  a4271/3 Ansari Road, Daryaganj, New Delhi 110002bNew Delhie110002  a466p.c27cm(pb)