Cita APA

Challis, J. 1. (1879). Lecturs on practical astronomy and astronomical instruments. Cambridge, Mass.: Deighton Bell.

Citación estilo Chicago

Challis, James 1803-1882. Lecturs On Practical Astronomy and Astronomical Instruments. Cambridge, Mass.: Deighton Bell, 1879.

Cita MLA

Challis, James 1803-1882. Lecturs On Practical Astronomy and Astronomical Instruments. Cambridge, Mass.: Deighton Bell, 1879.

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