00728cam a2200217 a 4500999001500000001000600015003000900021005001700030008004100047040003800088082001600126245004200142260006200184300003900246505001100285650001300296650002600309710004500335942001200380952011800392  c7450d745021231BD-DhUAP20210123110107.0201102s1979    bg abf   b   f000 0 eng    aBD-DhUAPcBD-DhUAPdBD-DhUAPbEng  a609 ESC223  aEscap national papers for the UNCSTD.  aIndia :bRegional Centre for Technology Transfer,cc1979.  avolumes :billustrations ;c22 cm.  aV. 2--  aScience.  aTechnical assistance.  aRegional Centre for Technology Transfer.  2ddccBK  00102ddc4070aUAPCLbUAPCLcGeneral Stacksd2021-01-23o609 ESC V-2p3010021231r2021-01-23t1w2021-01-23yBK