http://book.klll.cc/ebooks/subject/19493.opds 2025-08-27T10:43:29Z Books about Frozen semen (sorted by popularity) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-08-27T10:43:29Z https://book.klll.cc/ebooks/37041.opds Preservation of Bull Semen at Sub-Zero Temperatures N. L. VanDemark, W. J. Miller, W. C. Kinney, Carlos Rodriguez, and M. E. Friedman