[1]
S. C. Saxena und Y. Saxena, „On synergised and unsynergised pyrethrum. Their toxicity to Dysdercus cingulatus Fabricius and persistency of the toxic effect of the films“., contrib.entomol., Bd. 15, Nr. 1-2, S. 167–174, März 1965, doi: 10.21248/contrib.entomol.15.1-2.167-174.