Llwytho...
| LEADER | 00454nam a2200157Ia 4500 | ||
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| 001 | 18791 | ||
| 008 | 170722s9999 xx 000 0 und d | ||
| 100 | |a Bragg Willaim | ||
| 245 | |a Universe of light, eng / | ||
| 260 | |c 1959 | ||
| 653 | |a Light | ||
| 653 | |a Optics | ||
| 653 | |a Physics | ||
| 942 | |c GEN | ||
| 999 | |c 1149 |d 1149 | ||
| 952 | |0 0 |1 0 |4 0 |6 C_51_C_6_000000000000000_H0 |7 0 |9 1306 |a LIB |b LIB |d 2013-03-25 |l 1 |o C51, C 6 H0 |p 105881 |r 2019-04-16 |s 2019-03-23 |w 2017-08-12 |y GEN | ||