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1
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2Rhif Galw: We/220/Schmi/2Llyfr
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3gan Brodsky, Joel; Lauritsen, John; Bernard, Frits; Brongersma, Edward; Sandfort, Theo; Schérer, René; Schmitt, Arno
Cyhoeddwyd 1987Rhif Galw: So/117/Int/1-2Llyfr -
4gan Bram, ChristopherAwduron Eraill: “...Schmitt, Arno...”
Cyhoeddwyd 1992
Rhif Galw: Be/110/Bra1/2Llyfr -
5Cyhoeddwyd 1995Awduron Eraill: “...Schmitt, Arno...”
Rhif Galw: We/220/Schmi/1Llyfr