TY - GEN AU - Szilagyi,J AU - Müller,E TI - [Possibilities of freezing bull semen] SN - 0341-6593 PY - 1973///0118 KW - Animals KW - Cattle KW - Freezing KW - Male KW - Methods KW - Preservation, Biological KW - Semen N1 - Publication Type: Journal Article ER -