Rapp UR, Marshall TH (1980). "Cell surface receptors for endogenous mouse type C viral glycoproteins and epidermal growth factor: tissue distribution in vivo and possible participation in specific cell-cell interaction". J. Supramol. Struct. 14 (3): 343–52. doi:10.1002/jss.400140308. PMID6261043.
Rapp UR, Marshall TH (1980). "Cell surface receptors for endogenous mouse type C viral glycoproteins and epidermal growth factor: tissue distribution in vivo and possible participation in specific cell-cell interaction". J. Supramol. Struct. 14 (3): 343–52. doi:10.1002/jss.400140308. PMID6261043.