Kayton, Robert J. & Schmidt, Gerald D., 1975, Helminth parasites of the cliff swallow, Petrochelidon pyrrhonota Veillot, 1817 in Colorado, with two new species.

Kayton, Robert J. & Schmidt, Gerald D., 1975, Helminth parasites of the cliff swallow, Petrochelidon pyrrhonota Veillot, 1817 in Colorado, with two new species., Journal of helminthology 49, No. 2, pp. 115-119

publication ID

https://doi.org/10.1017/S0022149X00023233

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https://doi.org/10.1017/S0022149X00023233

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