000 00339 a2200145 4500
080 _a530
_bP 578 P
245 1 _aPhysics
250 _aIndian edn.
260 _aNew Delhi
_bPhysical Science Study Committee
_c1962
650 _aPhysics
700 _aPhysical Science Study Committee
100 _a
_d
300 _a656 p.
901 _a72659
999 _c25691
_d25691