000 00406nam a2200157Ia 4500
008 210210b1994 xxu||||| |||| 00| 0 eng d
082 _a500 WORL
100 _a-
245 _aWorld of science. 24V.V9- technology of discovery.
260 _aN D
_bS. Chand & Co. Ltd.
_c1994
300 _a124,iv
440 _a9
650 _aPhysical Science and Technology
690 _aPure Sciences
906 _a049040
999 _c98121
_d98121