000 00336nam a22001217a 4500
020 _a01158848
082 _a351.819
245 _aTransactions of the National Academy of Science and Technology
260 _aTaguig
_c1992 Vol.14&15
300 _axvi., 651, pages
_billustrations
650 _aInformation and Research Science
942 _cBK
999 _c2632
_d2632