Chiriboga, J., L. S. Ritchie, and D. de León. 1975. “ON THE CRYPTOBIOSIS OF LYMNAEA CUBENSIS, THE SNAIL VECTOR OF FASCIOLA HEPATICA IN PUERTO RICO”. The Journal of Agriculture of the University of Puerto Rico 59 (3):236-38. https://doi.org/10.46429/jaupr.v59i3.10613.