"sehgal, d l. "
modern physics: / d.l. sehgal - 1 ed. - india : sultan chand 1986. - "xii, 0p.; 21 cm."
hard cover
QC23 / .S44 1991
modern physics: / d.l. sehgal - 1 ed. - india : sultan chand 1986. - "xii, 0p.; 21 cm."
hard cover
QC23 / .S44 1991