000 00290 a2200121 4500
080 _a022(54)(063)
_bS 471 P
245 1 _aProceedings
260 _aNew Delhi
_bDepartment of Science and Technology
_c1980
650 _aLibrary Buildings
100 _a
_d
300 _a113 p.
901 _a158930
999 _c58642
_d58642