$a KAT U/SN $c KAT U/SN $d KAT U/SN $d WA U/DUN8WB
100
1
$a Klaus, Karl Karlovič $d (1796-1864).
400
1
$a Klaus, K. K.
400
1
$a Claus, Karl Ernst.
400
1
$a Claus, Carl.
400
1
$a Claus, C.
667
$a Chemik ros.
670
$a Kp. Karl Karlovič Klaus 1796-1864 / N. N. Ušakova ; otv. red. N. A. Figurovskij. - Moskva, 1972.
670
$a WorldCat online
670
$a Fragment einer Monographie des Platin's und der Platinmetalle / von C. Claus. - St. Petersburg, 1883.
670
$a GBV online
670
$a Karl Karlovitch Klaus : thirty years of research on the platinum metals / by Donald McDonald [w] Platinum Metals Review, 1964, 8, (2) [dostęp online] $u https://www.technology.matthey.com/pdf/pmr-v8-i2-067-069.pdf
