00550cam a22002054a 450000100060000000300110000600500170001700800410003404000270007504100080010204400080011008000110011810000210012924500630015026000570021330000260027065000170029665000210031365500100033437028AR-SsjUBGM20251206162028.0250720s1956    xxu           000 0 eng d  aAR-SsjUBGMcAR-SsjUBGM0 aeng  axxu  a612.831 aMettler, Fred A.10aCulture and the structural evolution of the neural system.  aNew York :bThe Am.Museum of Natural History,c1956.  a57 p. :bil. ;c23 cm 4aFisiología 4aMédula espinal 4aLibro