LEADER 00954nam0-22003131i-450- 001 990000254510403321 005 20001010 010 $a0-08-017803-0 035 $a000025451 035 $aFED01000025451 035 $a(Aleph)000025451FED01 035 $a000025451 100 $a20001010d--------km-y0itay50------ba 101 0 $aita 105 $ay-------001yy 200 1 $aIntroduction to gas lasers$ePolupation inversion mechanisms$eWith emphasis on selective excitation processes$fBy ColinS. Willett. 210 $aOxford$cPergamon Press$dcopyr. 1974 215 $aXIV, 528 p. ill. 1 tav. f. t. 26 cm 225 1 $aInternational series of monographs in natural philosophy$v67 610 0 $aFisica generale 676 $a621.36 700 1$aWillett,$bColin Sidney 801 0$aIT$bUNINA$gRICA$2UNIMARC 901 $aBK 912 $a990000254510403321 952 $a09 024-100$b3467$fDINAE 959 $aDINAE 997 $aUNINA DB $aING01