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1著者: Van der Spuy, Herman Hubert### CRL customization ### ?> ### Add publisher and desc details ### ?>
出版事項 19701970.8 microfiches. -
2著者: Steyn, Jacob Cornelius### CRL customization ### ?> ### Add publisher and desc details ### ?>
出版事項 19681968.1 microfilm reel ; 16 mm. -
3著者: Smith, Jacobus Hendrik### CRL customization ### ?> ### Add publisher and desc details ### ?>
出版事項 19691969.1 microfilm reel ; 35 mm.