LEADER 00000nam 2200217 a 4500 001 0534415 003 UkHlHU 007 t 008 002901 2 1972 000 eng 040 UkHlHU 050 4 SB 211 P8 B6 100 0 Bokx, J.A. de. 245 00 Viruses of potatoes and seed-potato production /|cedited by J.A. de Bokx. 260 Wageningen :|bPudoc.,|c1972. 300 233p. 650 0 Field crops. 650 0 Pests and diseases|xPlant culture|xPlant diseases|xPlant pests. 650 0 Phytopathology|xPlant pathology. 946 020 absent -- ISBN check required 946 650 has non-LCSH elements -- Check for Geac subject headings
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