W. E. Meshaka and P. R. Delis, “SNAKE ASSEMBLAGE STRUCTURES AND SEASONAL ACTIVITY PATTERNS ON A MILITARY BASE IN SOUTH-CENTRAL PENNSYLVANIA:: LAND MANAGEMENT IMPLICATIONS FOR SNAKE CONSERVATION”, JNAH, no. 1, pp. 7–20, Jan. 2014, doi: 10.17161/jnah.vi1.11889.