000 00476 a2200253 4500
001 140830
020 _a2
041 _aeng
080 _a624 Ray
245 _aStructural Engineering research centre-System Building.
250 _a
260 _a
260 _bUNDP, Madras,
260 _c1974
300 _avol-ii, p.various pag.
300 _c
490 _a
100 _aRaymond Aron.\
700 _a
650 _a
650 _a
942 _cBK
942 _2UDC
999 _c77719
_d77719